1712420 has 12 divisors (see below), whose sum is σ = 3596124. Its totient is φ = 684960.

The previous prime is 1712411. The next prime is 1712437. The reversal of 1712420 is 242171.

It can be written as a sum of positive squares in 2 ways, for example, as 1170724 + 541696 = 1082^2 + 736^2 .

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 3 ways as a sum of consecutive naturals, for example, 42791 + ... + 42830.

It is an arithmetic number, because the mean of its divisors is an integer number (299677).

2^1712420 is an apocalyptic number.

1712420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1712420 is an abundant number, since it is smaller than the sum of its proper divisors (1883704).

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

1712420 is a wasteful number, since it uses less digits than its factorization.

1712420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85630 (or 85628 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1712420 is about 1308.5946660445. The cubic root of 1712420 is about 119.6382624974.

Adding to 1712420 its reverse (242171), we get a palindrome (1954591).

The spelling of 1712420 in words is "one million, seven hundred twelve thousand, four hundred twenty".