13911800 has 96 divisors (see below), whose sum is σ = 38985600. Its totient is φ = 4510080.

The previous prime is 13911791. The next prime is 13911817. The reversal of 13911800 is 811931.

13911800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 26339 + ... + 26861.

It is an arithmetic number, because the mean of its divisors is an integer number (406100).

Almost surely, 2^13911800 is an apocalyptic number.

13911800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13911800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19492800).

13911800 is an abundant number, since it is smaller than the sum of its proper divisors (25073800).

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

13911800 is a wasteful number, since it uses less digits than its factorization.

13911800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 13911800 is about 3729.8525440022. The cubic root of 13911800 is about 240.5070299336.

The spelling of 13911800 in words is "thirteen million, nine hundred eleven thousand, eight hundred".