12585824956 has 24 divisors (see below), whose sum is σ = 22993740000. Its totient is φ = 6020167104.

The previous prime is 12585824887. The next prime is 12585824987. The reversal of 12585824956 is 65942858521.

It is a junction number, because it is equal to n+sod(n) for n = 12585824897 and 12585824906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485056 + ... + 510343.

It is an arithmetic number, because the mean of its divisors is an integer number (958072500).

Almost surely, 2^12585824956 is an apocalyptic number.

It is an amenable number.

12585824956 is a deficient number, since it is larger than the sum of its proper divisors (10407915044).

12585824956 is a wasteful number, since it uses less digits than its factorization.

12585824956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995541 (or 995539 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 55.

The spelling of 12585824956 in words is "twelve billion, five hundred eighty-five million, eight hundred twenty-four thousand, nine hundred fifty-six".