12865250304 has 176 divisors, whose sum is σ = 38313944640. Its totient is φ = 4264427520.

The previous prime is 12865250291. The next prime is 12865250317. The reversal of 12865250304 is 40305256821.

12865250304 is a `hidden beast` number, since 128 + 6 + 525 + 0 + 3 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (12865250291) and next prime (12865250317).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 5334859 + ... + 5337269.

Almost surely, 2^12865250304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12865250304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19156972320).

12865250304 is an abundant number, since it is smaller than the sum of its proper divisors (25448694336).

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

12865250304 is a wasteful number, since it uses less digits than its factorization.

12865250304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

It can be divided in two parts, 12865 and 250304, that added together give a square (263169 = 513²).

The spelling of 12865250304 in words is "twelve billion, eight hundred sixty-five million, two hundred fifty thousand, three hundred four".