13815960 has 32 divisors (see below), whose sum is σ = 41448240. Its totient is φ = 3684224.

The previous prime is 13815937. The next prime is 13816013. The reversal of 13815960 is 6951831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57447 + ... + 57686.

Almost surely, 2^13815960 is an apocalyptic number.

13815960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13815960 is an abundant number, since it is smaller than the sum of its proper divisors (27632280).

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

13815960 is a wasteful number, since it uses less digits than its factorization.

13815960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115147 (or 115143 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 13815960 is about 3716.9826472557. The cubic root of 13815960 is about 239.9534631992.

The spelling of 13815960 in words is "thirteen million, eight hundred fifteen thousand, nine hundred sixty".