13911200 has 36 divisors (see below), whose sum is σ = 33962670. Its totient is φ = 5564160.

The previous prime is 13911193. The next prime is 13911203. The reversal of 13911200 is 211931.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11102224 + 2808976 = 3332^2 + 1676^2 .

It is not an unprimeable number, because it can be changed into a prime (13911203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7895 + ... + 9494.

Almost surely, 2^13911200 is an apocalyptic number.

13911200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13911200 is an abundant number, since it is smaller than the sum of its proper divisors (20051470).

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

13911200 is a wasteful number, since it uses less digits than its factorization.

13911200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17409 (or 17396 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 13911200 is about 3729.7721110009. The cubic root of 13911200 is about 240.5035722863.

The spelling of 13911200 in words is "thirteen million, nine hundred eleven thousand, two hundred".