12618956 has 12 divisors (see below), whose sum is σ = 25237968. Its totient is φ = 5408112.

The previous prime is 12618943. The next prime is 12618967. The reversal of 12618956 is 65981621.

12618956 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 225311 + ... + 225366.

It is an arithmetic number, because the mean of its divisors is an integer number (2103164).

Almost surely, 2^12618956 is an apocalyptic number.

It is an amenable number.

12618956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12618956 is a wasteful number, since it uses less digits than its factorization.

12618956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450688 (or 450686 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 12618956 is about 3552.3169903600. The cubic root of 12618956 is about 232.8133117489.

The spelling of 12618956 in words is "twelve million, six hundred eighteen thousand, nine hundred fifty-six".