12887425 has 12 divisors (see below), whose sum is σ = 16046716. Its totient is φ = 10267200.

The previous prime is 12887417. The next prime is 12887437. The reversal of 12887425 is 52478821.

It can be written as a sum of positive squares in 6 ways, for example, as 5308416 + 7579009 = 2304^2 + 2753^2 .

It is not a de Polignac number, because 12887425 - 2³ = 12887417 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5995 + ... + 7855.

Almost surely, 2^12887425 is an apocalyptic number.

It is an amenable number.

12887425 is a deficient number, since it is larger than the sum of its proper divisors (3159291).

12887425 is a wasteful number, since it uses less digits than its factorization.

12887425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148 (or 2143 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 12887425 is about 3589.9059876270. The cubic root of 12887425 is about 234.4527783342.

The spelling of 12887425 in words is "twelve million, eight hundred eighty-seven thousand, four hundred twenty-five".