12590809 has 8 divisors (see below), whose sum is σ = 15697728. Its totient is φ = 9810960.

The previous prime is 12590801. The next prime is 12590819. The reversal of 12590809 is 90809521.

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

It is a cyclic number.

It is not a de Polignac number, because 12590809 - 2³ = 12590801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12590801) 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, 81682 + ... + 81835.

It is an arithmetic number, because the mean of its divisors is an integer number (1962216).

Almost surely, 2^12590809 is an apocalyptic number.

It is an amenable number.

12590809 is a deficient number, since it is larger than the sum of its proper divisors (3106919).

12590809 is a wasteful number, since it uses less digits than its factorization.

12590809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163535.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 12590809 is about 3548.3529982233. The cubic root of 12590809 is about 232.6400836161.

The spelling of 12590809 in words is "twelve million, five hundred ninety thousand, eight hundred nine".