12518990 has 16 divisors (see below), whose sum is σ = 24582960. Its totient is φ = 4552320.

The previous prime is 12518959. The next prime is 12519019. The reversal of 12518990 is 9981521.

It is a super-2 number, since 2×12518990² = 313450221240200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12518990.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56795 + ... + 57014.

It is an arithmetic number, because the mean of its divisors is an integer number (1536435).

Almost surely, 2^12518990 is an apocalyptic number.

12518990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12518990 is a deficient number, since it is larger than the sum of its proper divisors (12063970).

12518990 is a wasteful number, since it uses less digits than its factorization.

12518990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113827.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 12518990 is about 3538.2184782741. The cubic root of 12518990 is about 232.1969072454.

The spelling of 12518990 in words is "twelve million, five hundred eighteen thousand, nine hundred ninety".