12715673756887 has 4 divisors (see below), whose sum is σ = 12717797643576. Its totient is φ = 12713549870200.

The previous prime is 12715673756881. The next prime is 12715673756899. The reversal of 12715673756887 is 78865737651721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12715673756887 - 2³ = 12715673756879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12715673756881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061934364 + ... + 1061946337.

It is an arithmetic number, because the mean of its divisors is an integer number (3179449410894).

Almost surely, 2^{12715673756887} is an apocalyptic number.

12715673756887 is a deficient number, since it is larger than the sum of its proper divisors (2123886689).

12715673756887 is an equidigital number, since it uses as much as digits as its factorization.

12715673756887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123886688.

The product of its digits is 829785600, while the sum is 73.

The spelling of 12715673756887 in words is "twelve trillion, seven hundred fifteen billion, six hundred seventy-three million, seven hundred fifty-six thousand, eight hundred eighty-seven".