13863660 has 48 divisors (see below), whose sum is σ = 39026400. Its totient is φ = 3677184.

The previous prime is 13863659. The next prime is 13863671. The reversal of 13863660 is 6636831.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13236 + ... + 14244.

It is an arithmetic number, because the mean of its divisors is an integer number (813050).

Almost surely, 2^13863660 is an apocalyptic number.

13863660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13863660 is an abundant number, since it is smaller than the sum of its proper divisors (25162740).

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

13863660 is a wasteful number, since it uses less digits than its factorization.

13863660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 13863660 is about 3723.3936133587. The cubic root of 13863660 is about 240.2292947521.

The spelling of 13863660 in words is "thirteen million, eight hundred sixty-three thousand, six hundred sixty".