13867155 has 24 divisors (see below), whose sum is σ = 25451712. Its totient is φ = 6960384.

The previous prime is 13867129. The next prime is 13867157. The reversal of 13867155 is 55176831.

13867155 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13867155 - 2²² = 9672851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13867157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8299 + ... + 9828.

It is an arithmetic number, because the mean of its divisors is an integer number (1060488).

Almost surely, 2^13867155 is an apocalyptic number.

13867155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13867155 is a deficient number, since it is larger than the sum of its proper divisors (11584557).

13867155 is a wasteful number, since it uses less digits than its factorization.

13867155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18155 (or 18152 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 13867155 is about 3723.8629136959. The cubic root of 13867155 is about 240.2494801587.

The spelling of 13867155 in words is "thirteen million, eight hundred sixty-seven thousand, one hundred fifty-five".