12856125 has 16 divisors (see below), whose sum is σ = 21393216. Its totient is φ = 6856400.

The previous prime is 12856099. The next prime is 12856133. The reversal of 12856125 is 52165821.

12856125 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12856125 - 2¹⁵ = 12823357 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12856092 and 12856101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16767 + ... + 17516.

It is an arithmetic number, because the mean of its divisors is an integer number (1337076).

Almost surely, 2^12856125 is an apocalyptic number.

12856125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12856125 is a deficient number, since it is larger than the sum of its proper divisors (8537091).

12856125 is an equidigital number, since it uses as much as digits as its factorization.

12856125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34301 (or 34291 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 12856125 is about 3585.5438917966. The cubic root of 12856125 is about 234.2628174240.

The spelling of 12856125 in words is "twelve million, eight hundred fifty-six thousand, one hundred twenty-five".