12756056 has 16 divisors (see below), whose sum is σ = 24742800. Its totient is φ = 6157984.

The previous prime is 12756047. The next prime is 12756059. The reversal of 12756056 is 65065721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12756059) 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, 27260 + ... + 27723.

It is an arithmetic number, because the mean of its divisors is an integer number (1546425).

Almost surely, 2^12756056 is an apocalyptic number.

It is an amenable number.

12756056 is a deficient number, since it is larger than the sum of its proper divisors (11986744).

12756056 is a wasteful number, since it uses less digits than its factorization.

12756056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55018 (or 55014 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 12756056 is about 3571.5621232172. The cubic root of 12756056 is about 233.6534183054.

The spelling of 12756056 in words is "twelve million, seven hundred fifty-six thousand, fifty-six".