12856265 has 8 divisors (see below), whose sum is σ = 15449280. Its totient is φ = 10270512.

The previous prime is 12856253. The next prime is 12856271. The reversal of 12856265 is 56265821.

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 12856265 - 2⁶ = 12856201 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3506 + ... + 6164.

It is an arithmetic number, because the mean of its divisors is an integer number (1931160).

Almost surely, 2^12856265 is an apocalyptic number.

It is an amenable number.

12856265 is a deficient number, since it is larger than the sum of its proper divisors (2593015).

12856265 is an equidigital number, since it uses as much as digits as its factorization.

12856265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631.

The product of its digits is 28800, while the sum is 35.

The square root of 12856265 is about 3585.5634145835. The cubic root of 12856265 is about 234.2636677755.

The spelling of 12856265 in words is "twelve million, eight hundred fifty-six thousand, two hundred sixty-five".