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1320612 = 223110051
BaseRepresentation
bin101000010011010100100
32111002112120
411002122210
5314224422
644145540
714140116
oct5023244
92432476
101320612
11822217
125382b0
13373137
142653b6
151b145c
hex1426a4

1320612 has 12 divisors (see below), whose sum is σ = 3081456. Its totient is φ = 440200.

The previous prime is 1320607. The next prime is 1320617. The reversal of 1320612 is 2160231.

It is an interprime number because it is at equal distance from previous prime (1320607) and next prime (1320617).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1320591 and 1320600.

It is not an unprimeable number, because it can be changed into a prime (1320617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55014 + ... + 55037.

It is an arithmetic number, because the mean of its divisors is an integer number (256788).

21320612 is an apocalyptic number.

1320612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320612 is an abundant number, since it is smaller than the sum of its proper divisors (1760844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320612 is a wasteful number, since it uses less digits than its factorization.

1320612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110058 (or 110056 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1320612 is about 1149.1788372573. The cubic root of 1320612 is about 109.7130814677.

Adding to 1320612 its reverse (2160231), we get a palindrome (3480843).

The spelling of 1320612 in words is "one million, three hundred twenty thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 110051 220102 330153 440204 660306 1320612