13299960 has 64 divisors (see below), whose sum is σ = 40240800. Its totient is φ = 3516416.

The previous prime is 13299959. The next prime is 13299971. The reversal of 13299960 is 6999231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16036 + ... + 16844.

Almost surely, 2^13299960 is an apocalyptic number.

13299960 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 13299960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20120400).

13299960 is an abundant number, since it is smaller than the sum of its proper divisors (26940840).

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

13299960 is a wasteful number, since it uses less digits than its factorization.

13299960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 13299960 is about 3646.9110216730. The cubic root of 13299960 is about 236.9282126932.

The spelling of 13299960 in words is "thirteen million, two hundred ninety-nine thousand, nine hundred sixty".