12956628 has 24 divisors (see below), whose sum is σ = 30339232. Its totient is φ = 4303584.

The previous prime is 12956627. The next prime is 12956641. The reversal of 12956628 is 82665921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12956621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1926 + ... + 5442.

Almost surely, 2^12956628 is an apocalyptic number.

It is an amenable number.

12956628 is an abundant number, since it is smaller than the sum of its proper divisors (17382604).

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

12956628 is a wasteful number, since it uses less digits than its factorization.

12956628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831 (or 3829 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 12956628 is about 3599.5316361994. The cubic root of 12956628 is about 234.8716848918.

The spelling of 12956628 in words is "twelve million, nine hundred fifty-six thousand, six hundred twenty-eight".