12563125 has 10 divisors (see below), whose sum is σ = 15699662. Its totient is φ = 10050000.

The previous prime is 12563113. The next prime is 12563137. The reversal of 12563125 is 52136521.

It is an interprime number because it is at equal distance from previous prime (12563113) and next prime (12563137).

It can be written as a sum of positive squares in 5 ways, for example, as 5963364 + 6599761 = 2442^2 + 2569^2 .

It is not a de Polignac number, because 12563125 - 2⁵ = 12563093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12563125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9426 + ... + 10675.

Almost surely, 2^12563125 is an apocalyptic number.

It is an amenable number.

12563125 is a deficient number, since it is larger than the sum of its proper divisors (3136537).

12563125 is an frugal number, since it uses more digits than its factorization.

12563125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20121 (or 20106 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 12563125 is about 3544.4498867948. The cubic root of 12563125 is about 232.4694529567.

Adding to 12563125 its reverse (52136521), we get a palindrome (64699646).

The spelling of 12563125 in words is "twelve million, five hundred sixty-three thousand, one hundred twenty-five".