12257636 has 12 divisors (see below), whose sum is σ = 21492912. Its totient is φ = 6116808.

The previous prime is 12257627. The next prime is 12257677. The reversal of 12257636 is 63675221.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (1791076).

Almost surely, 2^12257636 is an apocalyptic number.

It is an amenable number.

12257636 is a deficient number, since it is larger than the sum of its proper divisors (9235276).

12257636 is a wasteful number, since it uses less digits than its factorization.

12257636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010 (or 6008 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 12257636 is about 3501.0906872002. The cubic root of 12257636 is about 230.5697030098.

The spelling of 12257636 in words is "twelve million, two hundred fifty-seven thousand, six hundred thirty-six".