12631394384 has 40 divisors (see below), whose sum is σ = 28564624128. Its totient is φ = 5298272640.

The previous prime is 12631394353. The next prime is 12631394387. The reversal of 12631394384 is 48349313621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631394387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194527 + ... + 1205054.

Almost surely, 2^12631394384 is an apocalyptic number.

12631394384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12631394384 is an abundant number, since it is smaller than the sum of its proper divisors (15933229744).

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

12631394384 is a wasteful number, since it uses less digits than its factorization.

12631394384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399643 (or 2399637 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The spelling of 12631394384 in words is "twelve billion, six hundred thirty-one million, three hundred ninety-four thousand, three hundred eighty-four".