13886109 has 24 divisors (see below), whose sum is σ = 21026304. Its totient is φ = 8820000.

The previous prime is 13886107. The next prime is 13886113. The reversal of 13886109 is 90168831.

13886109 is a `hidden beast` number, since 1 + 38 + 8 + 610 + 9 = 666.

It is not a de Polignac number, because 13886109 - 2¹ = 13886107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13886107) 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, 19459 + ... + 20159.

It is an arithmetic number, because the mean of its divisors is an integer number (876096).

Almost surely, 2^13886109 is an apocalyptic number.

It is an amenable number.

13886109 is a deficient number, since it is larger than the sum of its proper divisors (7140195).

13886109 is a wasteful number, since it uses less digits than its factorization.

13886109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 13886109 is about 3726.4069826040. The cubic root of 13886109 is about 240.3588901403.

The spelling of 13886109 in words is "thirteen million, eight hundred eighty-six thousand, one hundred nine".