13647996 has 36 divisors (see below), whose sum is σ = 34626592. Its totient is φ = 4532544.

The previous prime is 13647929. The next prime is 13648003. The reversal of 13647996 is 69974631.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12696 + ... + 13728.

Almost surely, 2^13647996 is an apocalyptic number.

It is an amenable number.

13647996 is an abundant number, since it is smaller than the sum of its proper divisors (20978596).

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

13647996 is a wasteful number, since it uses less digits than its factorization.

13647996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410 (or 1405 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 13647996 is about 3694.3194231144. The cubic root of 13647996 is about 238.9771048836.

The spelling of 13647996 in words is "thirteen million, six hundred forty-seven thousand, nine hundred ninety-six".