13859118 has 48 divisors (see below), whose sum is σ = 36962016. Its totient is φ = 3654720.

The previous prime is 13859101. The next prime is 13859143. The reversal of 13859118 is 81195831.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2593 + ... + 5868.

It is an arithmetic number, because the mean of its divisors is an integer number (770042).

Almost surely, 2^13859118 is an apocalyptic number.

13859118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13859118 is an abundant number, since it is smaller than the sum of its proper divisors (23102898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13859118 is a wasteful number, since it uses less digits than its factorization.

13859118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8489 (or 8486 counting only the distinct ones).

The product of its digits is 8640, while the sum is 36.

The square root of 13859118 is about 3722.7836359370. The cubic root of 13859118 is about 240.2030573171.

The spelling of 13859118 in words is "thirteen million, eight hundred fifty-nine thousand, one hundred eighteen".