12565928352 has 96 divisors (see below), whose sum is σ = 35128562112. Its totient is φ = 3919376384.

The previous prime is 12565928281. The next prime is 12565928449. The reversal of 12565928352 is 25382956521.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

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 15 ways as a sum of consecutive naturals, for example, 260083 + ... + 304589.

It is an arithmetic number, because the mean of its divisors is an integer number (365922522).

Almost surely, 2^12565928352 is an apocalyptic number.

12565928352 is a gapful number since it is divisible by the number (12) 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 12565928352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17564281056).

12565928352 is an abundant number, since it is smaller than the sum of its proper divisors (22562633760).

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

12565928352 is a wasteful number, since it uses less digits than its factorization.

12565928352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44710 (or 44702 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The spelling of 12565928352 in words is "twelve billion, five hundred sixty-five million, nine hundred twenty-eight thousand, three hundred fifty-two".