13868911 has 12 divisors (see below), whose sum is σ = 16199400. Its totient is φ = 11838960.

The previous prime is 13868903. The next prime is 13868929. The reversal of 13868911 is 11986831.

It is not a de Polignac number, because 13868911 - 2³ = 13868903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13868941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16696 + ... + 17506.

It is an arithmetic number, because the mean of its divisors is an integer number (1349950).

Almost surely, 2^13868911 is an apocalyptic number.

13868911 is a deficient number, since it is larger than the sum of its proper divisors (2330489).

13868911 is an equidigital number, since it uses as much as digits as its factorization.

13868911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1167 counting only the distinct ones).

The product of its digits is 10368, while the sum is 37.

The square root of 13868911 is about 3724.0986829030. The cubic root of 13868911 is about 240.2596206737.

The spelling of 13868911 in words is "thirteen million, eight hundred sixty-eight thousand, nine hundred eleven".