12856575 has 48 divisors (see below), whose sum is σ = 22561056. Its totient is φ = 6451200.

The previous prime is 12856567. The next prime is 12856579. The reversal of 12856575 is 57565821.

12856575 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12856575 - 2³ = 12856567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12856579) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113719 + ... + 113831.

It is an arithmetic number, because the mean of its divisors is an integer number (470022).

Almost surely, 2^12856575 is an apocalyptic number.

12856575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12856575 is a deficient number, since it is larger than the sum of its proper divisors (9704481).

12856575 is a wasteful number, since it uses less digits than its factorization.

12856575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 199 counting only the distinct ones).

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

The square root of 12856575 is about 3585.6066432335. The cubic root of 12856575 is about 234.2655506747.

It can be divided in two parts, 12856 and 575, that added together give a palindrome (13431).

The spelling of 12856575 in words is "twelve million, eight hundred fifty-six thousand, five hundred seventy-five".