12898590 has 16 divisors (see below), whose sum is σ = 30956688. Its totient is φ = 3439616.

The previous prime is 12898553. The next prime is 12898619. The reversal of 12898590 is 9589821.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 214947 + ... + 215006.

It is an arithmetic number, because the mean of its divisors is an integer number (1934793).

Almost surely, 2^12898590 is an apocalyptic number.

12898590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12898590 is an abundant number, since it is smaller than the sum of its proper divisors (18058098).

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

12898590 is a wasteful number, since it uses less digits than its factorization.

12898590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429963.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 12898590 is about 3591.4607056183. The cubic root of 12898590 is about 234.5204647209.

The spelling of 12898590 in words is "twelve million, eight hundred ninety-eight thousand, five hundred ninety".