12257632 has 12 divisors (see below), whose sum is σ = 24132276. Its totient is φ = 6128800.

The previous prime is 12257627. The next prime is 12257677. The reversal of 12257632 is 23675221.

It is a self number, because there is not a number n which added to its sum of digits gives 12257632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191494 + ... + 191557.

It is an arithmetic number, because the mean of its divisors is an integer number (2011023).

Almost surely, 2^12257632 is an apocalyptic number.

It is an amenable number.

12257632 is a deficient number, since it is larger than the sum of its proper divisors (11874644).

12257632 is an equidigital number, since it uses as much as digits as its factorization.

12257632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383061 (or 383053 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 12257632 is about 3501.0901159496. The cubic root of 12257632 is about 230.5696779294.

The spelling of 12257632 in words is "twelve million, two hundred fifty-seven thousand, six hundred thirty-two".