12788056 has 8 divisors (see below), whose sum is σ = 23977620. Its totient is φ = 6394024.

The previous prime is 12788053. The next prime is 12788057. The reversal of 12788056 is 65088721.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12788053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 799246 + ... + 799261.

Almost surely, 2^12788056 is an apocalyptic number.

It is an amenable number.

12788056 is a deficient number, since it is larger than the sum of its proper divisors (11189564).

12788056 is a wasteful number, since it uses less digits than its factorization.

12788056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598513 (or 1598509 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 12788056 is about 3576.0391496738. The cubic root of 12788056 is about 233.8486371061.

The spelling of 12788056 in words is "twelve million, seven hundred eighty-eight thousand, fifty-six".