12791590 has 32 divisors (see below), whose sum is σ = 26961984. Its totient is φ = 4277760.

The previous prime is 12791587. The next prime is 12791591. The reversal of 12791590 is 9519721.

12791590 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 not an unprimeable number, because it can be changed into a prime (12791591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642 + ... + 5098.

It is an arithmetic number, because the mean of its divisors is an integer number (842562).

Almost surely, 2^12791590 is an apocalyptic number.

12791590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12791590 is an abundant number, since it is smaller than the sum of its proper divisors (14170394).

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

12791590 is a wasteful number, since it uses less digits than its factorization.

12791590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 12791590 is about 3576.5332376479. The cubic root of 12791590 is about 233.8701766053.

The spelling of 12791590 in words is "twelve million, seven hundred ninety-one thousand, five hundred ninety".