13299328 has 32 divisors (see below), whose sum is σ = 30281760. Its totient is φ = 5699328.

The previous prime is 13299301. The next prime is 13299329. The reversal of 13299328 is 82399231.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×13299328³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13299329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6526 + ... + 8317.

It is an arithmetic number, because the mean of its divisors is an integer number (946305).

Almost surely, 2^13299328 is an apocalyptic number.

It is an amenable number.

13299328 is an abundant number, since it is smaller than the sum of its proper divisors (16982432).

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

13299328 is an equidigital number, since it uses as much as digits as its factorization.

13299328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14864 (or 14852 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 13299328 is about 3646.8243719708. The cubic root of 13299328 is about 236.9244597746.

The spelling of 13299328 in words is "thirteen million, two hundred ninety-nine thousand, three hundred twenty-eight".