12934656 has 120 divisors (see below), whose sum is σ = 42769584. Its totient is φ = 3686400.

The previous prime is 12934643. The next prime is 12934661. The reversal of 12934656 is 65643921.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (38880) is a multiple of the sum of its prime factors (432).

It is a self number, because there is not a number n which added to its sum of digits gives 12934656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32056 + ... + 32456.

Almost surely, 2^12934656 is an apocalyptic number.

12934656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12934656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21384792).

12934656 is an abundant number, since it is smaller than the sum of its proper divisors (29834928).

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

12934656 is an equidigital number, since it uses as much as digits as its factorization.

12934656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 413 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 12934656 is about 3596.4782774264. The cubic root of 12934656 is about 234.7388437301.

The spelling of 12934656 in words is "twelve million, nine hundred thirty-four thousand, six hundred fifty-six".