12858265 has 16 divisors (see below), whose sum is σ = 18402048. Its totient is φ = 8433216.

The previous prime is 12858257. The next prime is 12858271. The reversal of 12858265 is 56285821.

It is a cyclic number.

It is not a de Polignac number, because 12858265 - 2³ = 12858257 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 15 ways as a sum of consecutive naturals, for example, 7182 + ... + 8791.

It is an arithmetic number, because the mean of its divisors is an integer number (1150128).

Almost surely, 2^12858265 is an apocalyptic number.

It is an amenable number.

12858265 is a deficient number, since it is larger than the sum of its proper divisors (5543783).

12858265 is a wasteful number, since it uses less digits than its factorization.

12858265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16008.

The product of its digits is 38400, while the sum is 37.

The square root of 12858265 is about 3585.8422999346. The cubic root of 12858265 is about 234.2758149800.

The spelling of 12858265 in words is "twelve million, eight hundred fifty-eight thousand, two hundred sixty-five".