12936936913 has 16 divisors (see below), whose sum is σ = 13939692624. Its totient is φ = 11961538560.

The previous prime is 12936936907. The next prime is 12936936949. The reversal of 12936936913 is 31963963921.

It can be written as a sum of positive squares in 8 ways, for example, as 92794689 + 12844142224 = 9633^2 + 113332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12936936913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12936936953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 881431 + ... + 895987.

It is an arithmetic number, because the mean of its divisors is an integer number (871230789).

Almost surely, 2^12936936913 is an apocalyptic number.

It is an amenable number.

12936936913 is a deficient number, since it is larger than the sum of its proper divisors (1002755711).

12936936913 is a wasteful number, since it uses less digits than its factorization.

12936936913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15492.

The product of its digits is 1417176, while the sum is 52.

The spelling of 12936936913 in words is "twelve billion, nine hundred thirty-six million, nine hundred thirty-six thousand, nine hundred thirteen".