12708810815 has 4 divisors (see below), whose sum is σ = 15250572984. Its totient is φ = 10167048648.

The previous prime is 12708810773. The next prime is 12708810883. The reversal of 12708810815 is 51801880721.

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 12708810815 - 2²⁰ = 12707762239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270881077 + ... + 1270881086.

It is an arithmetic number, because the mean of its divisors is an integer number (3812643246).

Almost surely, 2^12708810815 is an apocalyptic number.

12708810815 is a deficient number, since it is larger than the sum of its proper divisors (2541762169).

12708810815 is an equidigital number, since it uses as much as digits as its factorization.

12708810815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541762168.

The product of its (nonzero) digits is 35840, while the sum is 41.

The spelling of 12708810815 in words is "twelve billion, seven hundred eight million, eight hundred ten thousand, eight hundred fifteen".