12636504375 has 40 divisors (see below), whose sum is σ = 22968147840. Its totient is φ = 6126780000.

The previous prime is 12636504371. The next prime is 12636504431. The reversal of 12636504375 is 57340563621.

12636504375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12636504375 - 2² = 12636504371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12636504371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 285715 + ... + 326964.

It is an arithmetic number, because the mean of its divisors is an integer number (574203696).

Almost surely, 2^12636504375 is an apocalyptic number.

12636504375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12636504375 is a deficient number, since it is larger than the sum of its proper divisors (10331643465).

12636504375 is an equidigital number, since it uses as much as digits as its factorization.

12636504375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612713 (or 612698 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 12636504375 in words is "twelve billion, six hundred thirty-six million, five hundred four thousand, three hundred seventy-five".