13145992 has 16 divisors (see below), whose sum is σ = 24690960. Its totient is φ = 6561744.

The previous prime is 13145987. The next prime is 13145999. The reversal of 13145992 is 29954131.

It is not an unprimeable number, because it can be changed into a prime (13145999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5623 + ... + 7609.

It is an arithmetic number, because the mean of its divisors is an integer number (1543185).

Almost surely, 2^13145992 is an apocalyptic number.

It is an amenable number.

13145992 is a deficient number, since it is larger than the sum of its proper divisors (11544968).

13145992 is a wasteful number, since it uses less digits than its factorization.

13145992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820 (or 2816 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 13145992 is about 3625.7402002901. The cubic root of 13145992 is about 236.0103892774.

The spelling of 13145992 in words is "thirteen million, one hundred forty-five thousand, nine hundred ninety-two".