13299672 has 32 divisors (see below), whose sum is σ = 33566400. Its totient is φ = 4390944.

The previous prime is 13299653. The next prime is 13299679. The reversal of 13299672 is 27699231.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13299672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13299679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22 + ... + 5157.

It is an arithmetic number, because the mean of its divisors is an integer number (1048950).

Almost surely, 2^13299672 is an apocalyptic number.

13299672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13299672 is an abundant number, since it is smaller than the sum of its proper divisors (20266728).

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

13299672 is a wasteful number, since it uses less digits than its factorization.

13299672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295 (or 5291 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 13299672 is about 3646.8715359881. The cubic root of 13299672 is about 236.9265025172.

The spelling of 13299672 in words is "thirteen million, two hundred ninety-nine thousand, six hundred seventy-two".