12630928 has 20 divisors (see below), whose sum is σ = 24601600. Its totient is φ = 6282144.

The previous prime is 12630913. The next prime is 12630941. The reversal of 12630928 is 82903621.

It is a self number, because there is not a number n which added to its sum of digits gives 12630928.

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, 1201 + ... + 5167.

It is an arithmetic number, because the mean of its divisors is an integer number (1230080).

Almost surely, 2^12630928 is an apocalyptic number.

It is an amenable number.

12630928 is a deficient number, since it is larger than the sum of its proper divisors (11970672).

12630928 is a wasteful number, since it uses less digits than its factorization.

12630928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4174 (or 4168 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12630928 is about 3554.0016882382. The cubic root of 12630928 is about 232.8869142451.

The spelling of 12630928 in words is "twelve million, six hundred thirty thousand, nine hundred twenty-eight".