12956678 has 48 divisors (see below), whose sum is σ = 24131520. Its totient is φ = 5193216.

The previous prime is 12956663. The next prime is 12956681. The reversal of 12956678 is 87665921.

Its product of digits (181440) is a multiple of the sum of its prime factors (189).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133526 + ... + 133622.

It is an arithmetic number, because the mean of its divisors is an integer number (502740).

Almost surely, 2^12956678 is an apocalyptic number.

12956678 is a deficient number, since it is larger than the sum of its proper divisors (11174842).

12956678 is a wasteful number, since it uses less digits than its factorization.

12956678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 182 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 12956678 is about 3599.5385815407. The cubic root of 12956678 is about 234.8719870170.

The spelling of 12956678 in words is "twelve million, nine hundred fifty-six thousand, six hundred seventy-eight".