13389992 has 32 divisors (see below), whose sum is σ = 31302720. Its totient is φ = 5216640.

The previous prime is 13389953. The next prime is 13389997. The reversal of 13389992 is 29998331.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13389997) 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, 10253 + ... + 11484.

It is an arithmetic number, because the mean of its divisors is an integer number (978210).

Almost surely, 2^13389992 is an apocalyptic number.

It is an amenable number.

13389992 is an abundant number, since it is smaller than the sum of its proper divisors (17912728).

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

13389992 is a wasteful number, since it uses less digits than its factorization.

13389992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21761 (or 21757 counting only the distinct ones).

The product of its digits is 104976, while the sum is 44.

The square root of 13389992 is about 3659.2337995815. The cubic root of 13389992 is about 237.4616270414.

The spelling of 13389992 in words is "thirteen million, three hundred eighty-nine thousand, nine hundred ninety-two".