12937479700 has 18 divisors (see below), whose sum is σ = 28074331166. Its totient is φ = 5174991840.

The previous prime is 12937479679. The next prime is 12937479701. The reversal of 12937479700 is 797473921.

It can be written as a sum of positive squares in 3 ways, for example, as 297424516 + 12640055184 = 17246^2 + 112428^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12937479701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64687299 + ... + 64687498.

Almost surely, 2^12937479700 is an apocalyptic number.

12937479700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12937479700 is an abundant number, since it is smaller than the sum of its proper divisors (15136851466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12937479700 is a wasteful number, since it uses less digits than its factorization.

12937479700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129374811 (or 129374804 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 49.

The spelling of 12937479700 in words is "twelve billion, nine hundred thirty-seven million, four hundred seventy-nine thousand, seven hundred".