12984113656 has 16 divisors (see below), whose sum is σ = 25130543040. Its totient is φ = 6282635520.

The previous prime is 12984113641. The next prime is 12984113713. The reversal of 12984113656 is 65631148921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26177401 + ... + 26177896.

It is an arithmetic number, because the mean of its divisors is an integer number (1570658940).

Almost surely, 2^12984113656 is an apocalyptic number.

It is an amenable number.

12984113656 is a deficient number, since it is larger than the sum of its proper divisors (12146429384).

12984113656 is a wasteful number, since it uses less digits than its factorization.

12984113656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52355334 (or 52355330 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The spelling of 12984113656 in words is "twelve billion, nine hundred eighty-four million, one hundred thirteen thousand, six hundred fifty-six".