12608990 has 8 divisors (see below), whose sum is σ = 22696200. Its totient is φ = 5043592.

The previous prime is 12608983. The next prime is 12608993. The reversal of 12608990 is 9980621.

12608990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12608990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12608993) 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, 630440 + ... + 630459.

It is an arithmetic number, because the mean of its divisors is an integer number (2837025).

Almost surely, 2^12608990 is an apocalyptic number.

12608990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12608990 is a deficient number, since it is larger than the sum of its proper divisors (10087210).

12608990 is a wasteful number, since it uses less digits than its factorization.

12608990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260906.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 12608990 is about 3550.9139668542. The cubic root of 12608990 is about 232.7520063989.

The spelling of 12608990 in words is "twelve million, six hundred eight thousand, nine hundred ninety".