12865452580 has 48 divisors (see below), whose sum is σ = 27130650624. Its totient is φ = 5124667520.

The previous prime is 12865452563. The next prime is 12865452629. The reversal of 12865452580 is 8525456821.

It is a super-3 number, since 3×12865452580³ (a number of 31 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12865452580.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8126469 + ... + 8128051.

It is an arithmetic number, because the mean of its divisors is an integer number (565221888).

Almost surely, 2^12865452580 is an apocalyptic number.

12865452580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12865452580 is an abundant number, since it is smaller than the sum of its proper divisors (14265198044).

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

12865452580 is a wasteful number, since it uses less digits than its factorization.

12865452580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036 (or 3034 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 46.

The spelling of 12865452580 in words is "twelve billion, eight hundred sixty-five million, four hundred fifty-two thousand, five hundred eighty".