12595920896 has 64 divisors (see below), whose sum is σ = 27130179300. Its totient is φ = 5813305344.

The previous prime is 12595920881. The next prime is 12595920901. The reversal of 12595920896 is 69802959521.

It can be written as a sum of positive squares in 2 ways, for example, as 12202295296 + 393625600 = 110464^2 + 19840^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411200 + ... + 440768.

Almost surely, 2^12595920896 is an apocalyptic number.

12595920896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12595920896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13565089650).

12595920896 is an abundant number, since it is smaller than the sum of its proper divisors (14534258404).

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

12595920896 is an frugal number, since it uses more digits than its factorization.

12595920896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29612 (or 29584 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 56.

The spelling of 12595920896 in words is "twelve billion, five hundred ninety-five million, nine hundred twenty thousand, eight hundred ninety-six".