13631398712 has 8 divisors (see below), whose sum is σ = 25558872600. Its totient is φ = 6815699352.

The previous prime is 13631398667. The next prime is 13631398717. The reversal of 13631398712 is 21789313631.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13631398717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 851962412 + ... + 851962427.

It is an arithmetic number, because the mean of its divisors is an integer number (3194859075).

Almost surely, 2^13631398712 is an apocalyptic number.

It is an amenable number.

13631398712 is a deficient number, since it is larger than the sum of its proper divisors (11927473888).

13631398712 is a wasteful number, since it uses less digits than its factorization.

13631398712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703924845 (or 1703924841 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The spelling of 13631398712 in words is "thirteen billion, six hundred thirty-one million, three hundred ninety-eight thousand, seven hundred twelve".