12590521 has 8 divisors (see below), whose sum is σ = 13504320. Its totient is φ = 11701872.

The previous prime is 12590507. The next prime is 12590527. The reversal of 12590521 is 12509521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12590521 - 2⁹ = 12590009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12590527) by changing a digit.

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, 5245 + ... + 7258.

It is an arithmetic number, because the mean of its divisors is an integer number (1688040).

Almost surely, 2^12590521 is an apocalyptic number.

It is an amenable number.

12590521 is a deficient number, since it is larger than the sum of its proper divisors (913799).

12590521 is a wasteful number, since it uses less digits than its factorization.

12590521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12575.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 12590521 is about 3548.3124157830. The cubic root of 12590521 is about 232.6383098128.

The spelling of 12590521 in words is "twelve million, five hundred ninety thousand, five hundred twenty-one".