13800915 has 16 divisors (see below), whose sum is σ = 24535200. Its totient is φ = 7360416.

The previous prime is 13800883. The next prime is 13800931. The reversal of 13800915 is 51900831.

It is not a de Polignac number, because 13800915 - 2⁵ = 13800883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 50980 + ... + 51249.

It is an arithmetic number, because the mean of its divisors is an integer number (1533450).

Almost surely, 2^13800915 is an apocalyptic number.

13800915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13800915 is a deficient number, since it is larger than the sum of its proper divisors (10734285).

13800915 is a wasteful number, since it uses less digits than its factorization.

13800915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102243 (or 102237 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 13800915 is about 3714.9582770201. The cubic root of 13800915 is about 239.8663318172.

The spelling of 13800915 in words is "thirteen million, eight hundred thousand, nine hundred fifteen".