13865970812 has 12 divisors (see below), whose sum is σ = 24266764536. Its totient is φ = 6932609520.

The previous prime is 13865970809. The next prime is 13865970827. The reversal of 13865970812 is 21807956831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683 + ... + 166530.

It is an arithmetic number, because the mean of its divisors is an integer number (2022230378).

Almost surely, 2^13865970812 is an apocalyptic number.

It is an amenable number.

13865970812 is a deficient number, since it is larger than the sum of its proper divisors (10400793724).

13865970812 is a wasteful number, since it uses less digits than its factorization.

13865970812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187948 (or 187946 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 13865970812 in words is "thirteen billion, eight hundred sixty-five million, nine hundred seventy thousand, eight hundred twelve".