13891110 has 32 divisors (see below), whose sum is σ = 33841152. Its totient is φ = 3648480.

The previous prime is 13891099. The next prime is 13891127. The reversal of 13891110 is 1119831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1446 + ... + 5465.

It is an arithmetic number, because the mean of its divisors is an integer number (1057536).

Almost surely, 2^13891110 is an apocalyptic number.

13891110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13891110 is an abundant number, since it is smaller than the sum of its proper divisors (19950042).

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

13891110 is a wasteful number, since it uses less digits than its factorization.

13891110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 13891110 is about 3727.0779439126. The cubic root of 13891110 is about 240.3877412878.

The spelling of 13891110 in words is "thirteen million, eight hundred ninety-one thousand, one hundred ten".