13320396 has 48 divisors (see below), whose sum is σ = 35733600. Its totient is φ = 4286016.

The previous prime is 13320389. The next prime is 13320397. The reversal of 13320396 is 69302331.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13320397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006 + ... + 5258.

It is an arithmetic number, because the mean of its divisors is an integer number (744450).

Almost surely, 2^13320396 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 13320396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17866800).

13320396 is an abundant number, since it is smaller than the sum of its proper divisors (22413204).

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

13320396 is a wasteful number, since it uses less digits than its factorization.

13320396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295 (or 4287 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 13320396 is about 3649.7117694415. The cubic root of 13320396 is about 237.0495009565.

The spelling of 13320396 in words is "thirteen million, three hundred twenty thousand, three hundred ninety-six".