12987025 has 12 divisors (see below), whose sum is σ = 16207792. Its totient is φ = 10322640.

The previous prime is 12987017. The next prime is 12987053. The reversal of 12987025 is 52078921.

It is not a de Polignac number, because 12987025 - 2³ = 12987017 is a prime.

It is a hoax number, since the sum of its digits (34) 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, 2482 + ... + 5668.

Almost surely, 2^12987025 is an apocalyptic number.

It is an amenable number.

12987025 is a deficient number, since it is larger than the sum of its proper divisors (3220767).

12987025 is a wasteful number, since it uses less digits than its factorization.

12987025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360 (or 3355 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 12987025 is about 3603.7515175162. The cubic root of 12987025 is about 235.0552156357.

The spelling of 12987025 in words is "twelve million, nine hundred eighty-seven thousand, twenty-five".