12906590 has 8 divisors (see below), whose sum is σ = 23231880. Its totient is φ = 5162632.

The previous prime is 12906589. The next prime is 12906667. The reversal of 12906590 is 9560921.

12906590 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645320 + ... + 645339.

It is an arithmetic number, because the mean of its divisors is an integer number (2903985).

Almost surely, 2^12906590 is an apocalyptic number.

12906590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12906590 is a deficient number, since it is larger than the sum of its proper divisors (10325290).

12906590 is a wasteful number, since it uses less digits than its factorization.

12906590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290666.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 12906590 is about 3592.5742859404. The cubic root of 12906590 is about 234.5689396827.

The spelling of 12906590 in words is "twelve million, nine hundred six thousand, five hundred ninety".