12457232 has 20 divisors (see below), whose sum is σ = 24373440. Its totient is φ = 6167328.

The previous prime is 12457219. The next prime is 12457301. The reversal of 12457232 is 23275421.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2132 + ... + 5427.

It is an arithmetic number, because the mean of its divisors is an integer number (1218672).

Almost surely, 2^12457232 is an apocalyptic number.

It is an amenable number.

12457232 is a deficient number, since it is larger than the sum of its proper divisors (11916208).

12457232 is a wasteful number, since it uses less digits than its factorization.

12457232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7670 (or 7664 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 12457232 is about 3529.4804150186. The cubic root of 12457232 is about 231.8144572794.

The spelling of 12457232 in words is "twelve million, four hundred fifty-seven thousand, two hundred thirty-two".