13856118 has 8 divisors (see below), whose sum is σ = 27712248. Its totient is φ = 4618704.

The previous prime is 13856107. The next prime is 13856119. The reversal of 13856118 is 81165831.

It is a sphenic number, since it is the product of 3 distinct primes.

13856118 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13856119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154671 + ... + 1154682.

It is an arithmetic number, because the mean of its divisors is an integer number (3464031).

Almost surely, 2^13856118 is an apocalyptic number.

13856118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13856118 is a wasteful number, since it uses less digits than its factorization.

13856118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309358.

The product of its digits is 5760, while the sum is 33.

The square root of 13856118 is about 3722.3806898274. The cubic root of 13856118 is about 240.1857242955.

It can be divided in two parts, 1385 and 6118, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 13856118 in words is "thirteen million, eight hundred fifty-six thousand, one hundred eighteen".