12855425 has 12 divisors (see below), whose sum is σ = 17390256. Its totient is φ = 9349200.

The previous prime is 12855407. The next prime is 12855449. The reversal of 12855425 is 52455821.

It is not a de Polignac number, because 12855425 - 2²⁰ = 11806849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12855391 and 12855400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23099 + ... + 23648.

It is an arithmetic number, because the mean of its divisors is an integer number (1449188).

Almost surely, 2^12855425 is an apocalyptic number.

It is an amenable number.

12855425 is a deficient number, since it is larger than the sum of its proper divisors (4534831).

12855425 is a wasteful number, since it uses less digits than its factorization.

12855425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46768 (or 46763 counting only the distinct ones).

The product of its digits is 16000, while the sum is 32.

The square root of 12855425 is about 3585.4462762674. The cubic root of 12855425 is about 234.2585655739.

The spelling of 12855425 in words is "twelve million, eight hundred fifty-five thousand, four hundred twenty-five".