12966256 has 10 divisors (see below), whose sum is σ = 25122152. Its totient is φ = 6483120.

The previous prime is 12966241. The next prime is 12966269. The reversal of 12966256 is 65266921.

12966256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405180 + ... + 405211.

Almost surely, 2^12966256 is an apocalyptic number.

12966256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12966256 is a deficient number, since it is larger than the sum of its proper divisors (12155896).

12966256 is an equidigital number, since it uses as much as digits as its factorization.

12966256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810399 (or 810393 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 12966256 is about 3600.8687840575. The cubic root of 12966256 is about 234.9298477791.

The spelling of 12966256 in words is "twelve million, nine hundred sixty-six thousand, two hundred fifty-six".