12585709276 has 24 divisors (see below), whose sum is σ = 25190898656. Its totient is φ = 5389701120.

The previous prime is 12585709247. The next prime is 12585709291. The reversal of 12585709276 is 67290758521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136965 + ... + 209596.

Almost surely, 2^12585709276 is an apocalyptic number.

It is an amenable number.

12585709276 is an abundant number, since it is smaller than the sum of its proper divisors (12605189380).

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

12585709276 is a wasteful number, since it uses less digits than its factorization.

12585709276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347869 (or 347867 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 12585709276 in words is "twelve billion, five hundred eighty-five million, seven hundred nine thousand, two hundred seventy-six".