12808590 has 32 divisors (see below), whose sum is σ = 31030560. Its totient is φ = 3383424.

The previous prime is 12808589. The next prime is 12808619. The reversal of 12808590 is 9580821.

It is a happy number.

12808590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1312 + ... + 5228.

It is an arithmetic number, because the mean of its divisors is an integer number (969705).

Almost surely, 2^12808590 is an apocalyptic number.

12808590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12808590 is an abundant number, since it is smaller than the sum of its proper divisors (18221970).

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

12808590 is a wasteful number, since it uses less digits than its factorization.

12808590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 12808590 is about 3578.9090516525. The cubic root of 12808590 is about 233.9737350899.

It can be divided in two parts, 1280 and 8590, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 12808590 in words is "twelve million, eight hundred eight thousand, five hundred ninety".