12257032 has 16 divisors (see below), whose sum is σ = 23543100. Its totient is φ = 5978880.

The previous prime is 12257009. The next prime is 12257039. The reversal of 12257032 is 23075221.

It can be written as a sum of positive squares in 2 ways, for example, as 12068676 + 188356 = 3474^2 + 434^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12256994 and 12257012.

It is not an unprimeable number, because it can be changed into a prime (12257039) 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, 18357 + ... + 19012.

Almost surely, 2^12257032 is an apocalyptic number.

It is an amenable number.

12257032 is a deficient number, since it is larger than the sum of its proper divisors (11286068).

12257032 is a wasteful number, since it uses less digits than its factorization.

12257032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37416 (or 37412 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 12257032 is about 3501.0044273037. The cubic root of 12257032 is about 230.5659158089.

The spelling of 12257032 in words is "twelve million, two hundred fifty-seven thousand, thirty-two".