12623656 has 16 divisors (see below), whose sum is σ = 25061940. Its totient is φ = 5940480.

The previous prime is 12623641. The next prime is 12623659. The reversal of 12623656 is 65632621.

It can be written as a sum of positive squares in 2 ways, for example, as 12180100 + 443556 = 3490^2 + 666^2 .

It is not an unprimeable number, because it can be changed into a prime (12623659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46275 + ... + 46546.

Almost surely, 2^12623656 is an apocalyptic number.

It is an amenable number.

12623656 is a deficient number, since it is larger than the sum of its proper divisors (12438284).

12623656 is a wasteful number, since it uses less digits than its factorization.

12623656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92844 (or 92840 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 12623656 is about 3552.9784688343. The cubic root of 12623656 is about 232.8422123633.

The spelling of 12623656 in words is "twelve million, six hundred twenty-three thousand, six hundred fifty-six".