12924672637 has 4 divisors (see below), whose sum is σ = 13684947516. Its totient is φ = 12164397760.

The previous prime is 12924672623. The next prime is 12924672641. The reversal of 12924672637 is 73627642921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8854998201 + 4069674436 = 94101^2 + 63794^2 .

It is a cyclic number.

It is not a de Polignac number, because 12924672637 - 2²⁷ = 12790454909 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12924672667) 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 in 3 ways as a sum of consecutive naturals, for example, 380137414 + ... + 380137447.

It is an arithmetic number, because the mean of its divisors is an integer number (3421236879).

Almost surely, 2^12924672637 is an apocalyptic number.

12924672637 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12924672637 is a deficient number, since it is larger than the sum of its proper divisors (760274879).

12924672637 is an equidigital number, since it uses as much as digits as its factorization.

12924672637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760274878.

The product of its digits is 1524096, while the sum is 49.

The spelling of 12924672637 in words is "twelve billion, nine hundred twenty-four million, six hundred seventy-two thousand, six hundred thirty-seven".