12713208656544 has 96 divisors (see below), whose sum is σ = 40451118482880. Its totient is φ = 3852487468800.

The previous prime is 12713208656537. The next prime is 12713208656591. The reversal of 12713208656544 is 44565680231721.

12713208656544 is a `hidden beast` number, since 1 + 2 + 7 + 1 + 32 + 0 + 8 + 6 + 565 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668825127 + ... + 668844134.

It is an arithmetic number, because the mean of its divisors is an integer number (421365817530).

Almost surely, 2^{12713208656544} is an apocalyptic number.

It is an amenable number.

12713208656544 is an abundant number, since it is smaller than the sum of its proper divisors (27737909826336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12713208656544 is a wasteful number, since it uses less digits than its factorization.

12713208656544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337669291 (or 1337669277 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 12713208656544 in words is "twelve trillion, seven hundred thirteen billion, two hundred eight million, six hundred fifty-six thousand, five hundred forty-four".