12936736724 has 12 divisors (see below), whose sum is σ = 23191467348. Its totient is φ = 6310603200.

The previous prime is 12936736723. The next prime is 12936736727. The reversal of 12936736724 is 42763763921.

It can be written as a sum of positive squares in 2 ways, for example, as 560174224 + 12376562500 = 23668^2 + 111250^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12936736723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39441107 + ... + 39441434.

It is an arithmetic number, because the mean of its divisors is an integer number (1932622279).

Almost surely, 2^12936736724 is an apocalyptic number.

It is an amenable number.

12936736724 is a deficient number, since it is larger than the sum of its proper divisors (10254730624).

12936736724 is a wasteful number, since it uses less digits than its factorization.

12936736724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78882586 (or 78882584 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 50.

The spelling of 12936736724 in words is "twelve billion, nine hundred thirty-six million, seven hundred thirty-six thousand, seven hundred twenty-four".