13099320 has 160 divisors (see below), whose sum is σ = 47567520. Its totient is φ = 3214080.

The previous prime is 13099319. The next prime is 13099337. The reversal of 13099320 is 2399031.

13099320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41965 + ... + 42275.

It is an arithmetic number, because the mean of its divisors is an integer number (297297).

Almost surely, 2^13099320 is an apocalyptic number.

13099320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13099320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23783760).

13099320 is an abundant number, since it is smaller than the sum of its proper divisors (34468200).

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

13099320 is a wasteful number, since it uses less digits than its factorization.

13099320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 13099320 is about 3619.2982745278. The cubic root of 13099320 is about 235.7307568183.

The spelling of 13099320 in words is "thirteen million, ninety-nine thousand, three hundred twenty".