12563425 has 48 divisors (see below), whose sum is σ = 19498752. Its totient is φ = 7833600.

The previous prime is 12563417. The next prime is 12563437. The reversal of 12563425 is 52436521.

It is not a de Polignac number, because 12563425 - 2³ = 12563417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12563393 and 12563402.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121924 + ... + 122026.

It is an arithmetic number, because the mean of its divisors is an integer number (406224).

Almost surely, 2^12563425 is an apocalyptic number.

It is an amenable number.

12563425 is a deficient number, since it is larger than the sum of its proper divisors (6935327).

12563425 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (12563424) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (173).

12563425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 173 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 12563425 is about 3544.4922062264. The cubic root of 12563425 is about 232.4713033530.

Adding to 12563425 its reverse (52436521), we get a palindrome (64999946).

The spelling of 12563425 in words is "twelve million, five hundred sixty-three thousand, four hundred twenty-five".