12631713444 has 36 divisors (see below), whose sum is σ = 36491617344. Its totient is φ = 3609060912.

The previous prime is 12631713431. The next prime is 12631713449. The reversal of 12631713444 is 44431713621.

12631713444 is a `hidden beast` number, since 1 + 2 + 631 + 7 + 13 + 4 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12631713444² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12631713399 and 12631713408.

It is not an unprimeable number, because it can be changed into a prime (12631713449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25062672 + ... + 25063175.

Almost surely, 2^12631713444 is an apocalyptic number.

12631713444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12631713444 is an abundant number, since it is smaller than the sum of its proper divisors (23859903900).

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

12631713444 is a wasteful number, since it uses less digits than its factorization.

12631713444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50125864 (or 50125859 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The spelling of 12631713444 in words is "twelve billion, six hundred thirty-one million, seven hundred thirteen thousand, four hundred forty-four".