12565365 has 16 divisors (see below), whose sum is σ = 21163200. Its totient is φ = 6348672.

The previous prime is 12565361. The next prime is 12565379. The reversal of 12565365 is 56356521.

It is not a de Polignac number, because 12565365 - 2² = 12565361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12565361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21760 + ... + 22329.

It is an arithmetic number, because the mean of its divisors is an integer number (1322700).

Almost surely, 2^12565365 is an apocalyptic number.

12565365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12565365 is a deficient number, since it is larger than the sum of its proper divisors (8597835).

12565365 is a wasteful number, since it uses less digits than its factorization.

12565365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44116.

The product of its digits is 27000, while the sum is 33.

The square root of 12565365 is about 3544.7658596866. The cubic root of 12565365 is about 232.4832685381.

The spelling of 12565365 in words is "twelve million, five hundred sixty-five thousand, three hundred sixty-five".