13256677104784 has 45 divisors (see below), whose sum is σ = 25790295794809. Its totient is φ = 6601227874880.

The previous prime is 13256677104767. The next prime is 13256677104791. The reversal of 13256677104784 is 48740177665231.

The square root of 13256677104784 is 3640972.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2621251664784 + 10635425440000 = 1619028^2 + 3261200^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3830300814 + ... + 3830304274.

Almost surely, 2^{13256677104784} is an apocalyptic number.

13256677104784 is the 3640972-nd square number.

It is an amenable number.

13256677104784 is a deficient number, since it is larger than the sum of its proper divisors (12533618690025).

13256677104784 is an frugal number, since it uses more digits than its factorization.

13256677104784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7456 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 13256677104784 in words is "thirteen trillion, two hundred fifty-six billion, six hundred seventy-seven million, one hundred four thousand, seven hundred eighty-four".