12565013329 has 8 divisors (see below), whose sum is σ = 14428723680. Its totient is φ = 10821542400.

The previous prime is 12565013297. The next prime is 12565013339. The reversal of 12565013329 is 92331056521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12565013329 - 2⁵ = 12565013297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12565013339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30059632 + ... + 30060049.

It is an arithmetic number, because the mean of its divisors is an integer number (1803590460).

Almost surely, 2^12565013329 is an apocalyptic number.

12565013329 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12565013329 is a deficient number, since it is larger than the sum of its proper divisors (1863710351).

12565013329 is a wasteful number, since it uses less digits than its factorization.

12565013329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60119711.

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 12565013329 in words is "twelve billion, five hundred sixty-five million, thirteen thousand, three hundred twenty-nine".