12590839 has 4 divisors (see below), whose sum is σ = 12828456. Its totient is φ = 12353224.

The previous prime is 12590819. The next prime is 12590857. The reversal of 12590839 is 93809521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12590839 - 2¹¹ = 12588791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12590798 and 12590807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12590819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118729 + ... + 118834.

It is an arithmetic number, because the mean of its divisors is an integer number (3207114).

Almost surely, 2^12590839 is an apocalyptic number.

12590839 is a deficient number, since it is larger than the sum of its proper divisors (237617).

12590839 is an equidigital number, since it uses as much as digits as its factorization.

12590839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237616.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 12590839 is about 3548.3572255341. The cubic root of 12590839 is about 232.6402683857.

The spelling of 12590839 in words is "twelve million, five hundred ninety thousand, eight hundred thirty-nine".