13800615 has 16 divisors (see below), whose sum is σ = 22243200. Its totient is φ = 7306272.

The previous prime is 13800581. The next prime is 13800629. The reversal of 13800615 is 51600831.

13800615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13800615 - 2⁶ = 13800551 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225 + ... + 5394.

It is an arithmetic number, because the mean of its divisors is an integer number (1390200).

Almost surely, 2^13800615 is an apocalyptic number.

13800615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13800615 is a deficient number, since it is larger than the sum of its proper divisors (8442585).

13800615 is a wasteful number, since it uses less digits than its factorization.

13800615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6766.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 13800615 is about 3714.9178994966. The cubic root of 13800615 is about 239.8645937580.

The spelling of 13800615 in words is "thirteen million, eight hundred thousand, six hundred fifteen".