13299912 has 24 divisors (see below), whose sum is σ = 36020790. Its totient is φ = 4433280.

The previous prime is 13299907. The next prime is 13299931. The reversal of 13299912 is 21999231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8608356 + 4691556 = 2934^2 + 2166^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 15.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 92289 + ... + 92432.

Almost surely, 2^13299912 is an apocalyptic number.

13299912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13299912 is an abundant number, since it is smaller than the sum of its proper divisors (22720878).

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

13299912 is a wasteful number, since it uses less digits than its factorization.

13299912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184733 (or 184726 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 13299912 is about 3646.9044407552. The cubic root of 13299912 is about 236.9279276656.

It can be divided in two parts, 13 and 299912, that added together give a triangular number (299925 = T₇₇₄).

The spelling of 13299912 in words is "thirteen million, two hundred ninety-nine thousand, nine hundred twelve".