13318396 has 36 divisors (see below), whose sum is σ = 29203608. Its totient is φ = 5267808.

The previous prime is 13318387. The next prime is 13318421. The reversal of 13318396 is 69381331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66 + ... + 5161.

Almost surely, 2^13318396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13318396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14601804).

13318396 is an abundant number, since it is smaller than the sum of its proper divisors (15885212).

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

13318396 is a wasteful number, since it uses less digits than its factorization.

13318396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5258 (or 5249 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 13318396 is about 3649.4377649167. The cubic root of 13318396 is about 237.0376363760.

The spelling of 13318396 in words is "thirteen million, three hundred eighteen thousand, three hundred ninety-six".