12875565 has 16 divisors (see below), whose sum is σ = 21312000. Its totient is φ = 6629952.

The previous prime is 12875557. The next prime is 12875617. The reversal of 12875565 is 56557821.

It is not a de Polignac number, because 12875565 - 2³ = 12875557 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 14365 + ... + 15234.

It is an arithmetic number, because the mean of its divisors is an integer number (1332000).

Almost surely, 2^12875565 is an apocalyptic number.

12875565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12875565 is a deficient number, since it is larger than the sum of its proper divisors (8436435).

12875565 is a wasteful number, since it uses less digits than its factorization.

12875565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29636.

The product of its digits is 84000, while the sum is 39.

The square root of 12875565 is about 3588.2537535687. The cubic root of 12875565 is about 234.3808357658.

The spelling of 12875565 in words is "twelve million, eight hundred seventy-five thousand, five hundred sixty-five".