13112990 has 64 divisors (see below), whose sum is σ = 27620352. Its totient is φ = 4435200.

The previous prime is 13112971. The next prime is 13113011. The reversal of 13112990 is 9921131.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 179594 + ... + 179666.

It is an arithmetic number, because the mean of its divisors is an integer number (431568).

Almost surely, 2^13112990 is an apocalyptic number.

13112990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13112990 is an abundant number, since it is smaller than the sum of its proper divisors (14507362).

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

13112990 is a wasteful number, since it uses less digits than its factorization.

13112990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 13112990 is about 3621.1862697188. The cubic root of 13112990 is about 235.8127284818.

The spelling of 13112990 in words is "thirteen million, one hundred twelve thousand, nine hundred ninety".