1330560 has 256 divisors, whose sum is σ = 5875200. Its totient is φ = 276480.

The previous prime is 1330559. The next prime is 1330577. The reversal of 1330560 is 650331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120955 + ... + 120965.

It is an arithmetic number, because the mean of its divisors is an integer number (22950).

2^1330560 is an apocalyptic number.

1330560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2937600).

1330560 is an abundant number, since it is smaller than the sum of its proper divisors (4544640).

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

1330560 is a wasteful number, since it uses less digits than its factorization.

1330560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 1330560 is about 1153.4990247070. The cubic root of 1330560 is about 109.9878774520.

1330560 divided by its sum of digits (18) gives a triangular number (73920 = T₃₈₄).

Adding to 1330560 its reverse (650331), we get a palindrome (1980891).

The spelling of 1330560 in words is "one million, three hundred thirty thousand, five hundred sixty".