13142992 has 30 divisors (see below), whose sum is σ = 26329478. Its totient is φ = 6350976.

The previous prime is 13142981. The next prime is 13143037. The reversal of 13142992 is 29924131.

It can be written as a sum of positive squares in 3 ways, for example, as 440896 + 12702096 = 664^2 + 3564^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88134 + ... + 88282.

Almost surely, 2^13142992 is an apocalyptic number.

It is an amenable number.

13142992 is an abundant number, since it is smaller than the sum of its proper divisors (13186486).

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

13142992 is an equidigital number, since it uses as much as digits as its factorization.

13142992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 188 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 13142992 is about 3625.3264680577. The cubic root of 13142992 is about 235.9924348815.

The spelling of 13142992 in words is "thirteen million, one hundred forty-two thousand, nine hundred ninety-two".