13299988 has 24 divisors (see below), whose sum is σ = 25189920. Its totient is φ = 6108000.

The previous prime is 13299973. The next prime is 13299989. The reversal of 13299988 is 88999231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13299989) 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 7 ways as a sum of consecutive naturals, for example, 12543 + ... + 13561.

It is an arithmetic number, because the mean of its divisors is an integer number (1049580).

Almost surely, 2^13299988 is an apocalyptic number.

It is an amenable number.

13299988 is a deficient number, since it is larger than the sum of its proper divisors (11889932).

13299988 is a wasteful number, since it uses less digits than its factorization.

13299988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1285 counting only the distinct ones).

The product of its digits is 279936, while the sum is 49.

The square root of 13299988 is about 3646.9148605362. The cubic root of 13299988 is about 236.9283789590.

The spelling of 13299988 in words is "thirteen million, two hundred ninety-nine thousand, nine hundred eighty-eight".