12520912 has 20 divisors (see below), whose sum is σ = 24824800. Its totient is φ = 6114528.

The previous prime is 12520903. The next prime is 12520927. The reversal of 12520912 is 21902521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8412 + ... + 9787.

It is an arithmetic number, because the mean of its divisors is an integer number (1241240).

Almost surely, 2^12520912 is an apocalyptic number.

It is an amenable number.

12520912 is a deficient number, since it is larger than the sum of its proper divisors (12303888).

12520912 is a wasteful number, since it uses less digits than its factorization.

12520912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18250 (or 18244 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12520912 is about 3538.4900734635. The cubic root of 12520912 is about 232.2087894505.

The spelling of 12520912 in words is "twelve million, five hundred twenty thousand, nine hundred twelve".