12840608056 has 32 divisors (see below), whose sum is σ = 24645020400. Its totient is φ = 6268711680.

The previous prime is 12840608047. The next prime is 12840608059. The reversal of 12840608056 is 65080604821.

12840608056 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 not an unprimeable number, because it can be changed into a prime (12840608059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309540 + ... + 1319308.

Almost surely, 2^12840608056 is an apocalyptic number.

It is an amenable number.

12840608056 is a deficient number, since it is larger than the sum of its proper divisors (11804412344).

12840608056 is a wasteful number, since it uses less digits than its factorization.

12840608056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13639 (or 13635 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 12840608056 in words is "twelve billion, eight hundred forty million, six hundred eight thousand, fifty-six".