12618508 has 24 divisors (see below), whose sum is σ = 26566400. Its totient is φ = 5123088.

The previous prime is 12618503. The next prime is 12618511. The reversal of 12618508 is 80581621.

It is a self number, because there is not a number n which added to its sum of digits gives 12618508.

It is not an unprimeable number, because it can be changed into a prime (12618503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11328 + ... + 12391.

Almost surely, 2^12618508 is an apocalyptic number.

It is an amenable number.

12618508 is an abundant number, since it is smaller than the sum of its proper divisors (13947892).

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

12618508 is a wasteful number, since it uses less digits than its factorization.

12618508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23749 (or 23747 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 12618508 is about 3552.2539323646. The cubic root of 12618508 is about 232.8105565923.

The spelling of 12618508 in words is "twelve million, six hundred eighteen thousand, five hundred eight".