13388814 has 32 divisors (see below), whose sum is σ = 30130080. Its totient is φ = 4461480.

The previous prime is 13388801. The next prime is 13388831. The reversal of 13388814 is 41888331.

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, 2844 + ... + 5904.

It is an arithmetic number, because the mean of its divisors is an integer number (941565).

Almost surely, 2^13388814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13388814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15065040).

13388814 is an abundant number, since it is smaller than the sum of its proper divisors (16741266).

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

13388814 is an frugal number, since it uses more digits than its factorization.

13388814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084 (or 3066 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 13388814 is about 3659.0728333828. The cubic root of 13388814 is about 237.4546631836.

The spelling of 13388814 in words is "thirteen million, three hundred eighty-eight thousand, eight hundred fourteen".