12813793936 has 10 divisors (see below), whose sum is σ = 24826725782. Its totient is φ = 6406896960.

The previous prime is 12813793931. The next prime is 12813793943. The reversal of 12813793936 is 63939731821.

It can be written as a sum of positive squares in only one way, i.e., 7520358400 + 5293435536 = 86720^2 + 72756^2 .

It is not an unprimeable number, because it can be changed into a prime (12813793931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400431045 + ... + 400431076.

Almost surely, 2^12813793936 is an apocalyptic number.

12813793936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12813793936 is a deficient number, since it is larger than the sum of its proper divisors (12012931846).

12813793936 is an equidigital number, since it uses as much as digits as its factorization.

12813793936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800862129 (or 800862123 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 52.

The spelling of 12813793936 in words is "twelve billion, eight hundred thirteen million, seven hundred ninety-three thousand, nine hundred thirty-six".