13996873236 has 12 divisors (see below), whose sum is σ = 32659370912. Its totient is φ = 4665624408.

The previous prime is 13996873223. The next prime is 13996873243. The reversal of 13996873236 is 63237869931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×13996873236² (a number of 21 digits) contains 22 as substring.

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, 583203040 + ... + 583203063.

Almost surely, 2^13996873236 is an apocalyptic number.

It is an amenable number.

13996873236 is an abundant number, since it is smaller than the sum of its proper divisors (18662497676).

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

13996873236 is a wasteful number, since it uses less digits than its factorization.

13996873236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166406110 (or 1166406108 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 57.

The spelling of 13996873236 in words is "thirteen billion, nine hundred ninety-six million, eight hundred seventy-three thousand, two hundred thirty-six".