12990606 has 16 divisors (see below), whose sum is σ = 26092800. Its totient is φ = 4311608.

The previous prime is 12990587. The next prime is 12990619. The reversal of 12990606 is 60609921.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 3096 + ... + 5963.

It is an arithmetic number, because the mean of its divisors is an integer number (1630800).

Almost surely, 2^12990606 is an apocalyptic number.

12990606 is an abundant number, since it is smaller than the sum of its proper divisors (13102194).

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

12990606 is a wasteful number, since it uses less digits than its factorization.

12990606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9303.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 12990606 is about 3604.2483266279. The cubic root of 12990606 is about 235.0768181037.

The spelling of 12990606 in words is "twelve million, nine hundred ninety thousand, six hundred six".