13199718 has 96 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 3338496.

The previous prime is 13199689. The next prime is 13199741. The reversal of 13199718 is 81799131.

13199718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47 ways as a sum of consecutive naturals, for example, 94893 + ... + 95031.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

Almost surely, 2^13199718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13199718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17236800).

13199718 is an abundant number, since it is smaller than the sum of its proper divisors (21273882).

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

13199718 is a wasteful number, since it uses less digits than its factorization.

13199718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 187 counting only the distinct ones).

The product of its digits is 13608, while the sum is 39.

The square root of 13199718 is about 3633.1416157370. The cubic root of 13199718 is about 236.3314671030.

The spelling of 13199718 in words is "thirteen million, one hundred ninety-nine thousand, seven hundred eighteen".