12928590 has 24 divisors (see below), whose sum is σ = 33614568. Its totient is φ = 3447600.

The previous prime is 12928583. The next prime is 12928613. The reversal of 12928590 is 9582921.

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 11 ways as a sum of consecutive naturals, for example, 71736 + ... + 71915.

It is an arithmetic number, because the mean of its divisors is an integer number (1400607).

Almost surely, 2^12928590 is an apocalyptic number.

12928590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12928590 is an abundant number, since it is smaller than the sum of its proper divisors (20685978).

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

12928590 is a wasteful number, since it uses less digits than its factorization.

12928590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143664 (or 143661 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 12928590 is about 3595.6348535412. The cubic root of 12928590 is about 234.7021426257.

The spelling of 12928590 in words is "twelve million, nine hundred twenty-eight thousand, five hundred ninety".