12502565 has 8 divisors (see below), whose sum is σ = 15885720. Its totient is φ = 9413632.

The previous prime is 12502549. The next prime is 12502583. The reversal of 12502565 is 56520521.

It can be written as a sum of positive squares in 4 ways, for example, as 6558721 + 5943844 = 2561^2 + 2438^2 .

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 12502565 - 2⁴ = 12502549 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73460 + ... + 73629.

It is an arithmetic number, because the mean of its divisors is an integer number (1985715).

Almost surely, 2^12502565 is an apocalyptic number.

It is an amenable number.

12502565 is a deficient number, since it is larger than the sum of its proper divisors (3383155).

12502565 is a wasteful number, since it uses less digits than its factorization.

12502565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147111.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 12502565 is about 3535.8966331045. The cubic root of 12502565 is about 232.0953148288.

The spelling of 12502565 in words is "twelve million, five hundred two thousand, five hundred sixty-five".