12518916 has 48 divisors (see below), whose sum is σ = 30632448. Its totient is φ = 3974400.

The previous prime is 12518903. The next prime is 12518921. The reversal of 12518916 is 61981521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26926 + ... + 27386.

It is an arithmetic number, because the mean of its divisors is an integer number (638176).

Almost surely, 2^12518916 is an apocalyptic number.

It is an amenable number.

12518916 is an abundant number, since it is smaller than the sum of its proper divisors (18113532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12518916 is a wasteful number, since it uses less digits than its factorization.

12518916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 570 counting only the distinct ones).

The product of its digits is 4320, while the sum is 33.

The square root of 12518916 is about 3538.2080210185. The cubic root of 12518916 is about 232.1964497377.

The spelling of 12518916 in words is "twelve million, five hundred eighteen thousand, nine hundred sixteen".