12885025 has 6 divisors (see below), whose sum is σ = 15977462. Its totient is φ = 10308000.

The previous prime is 12885023. The next prime is 12885049. The reversal of 12885025 is 52058821.

It can be written as a sum of positive squares in 3 ways, for example, as 204304 + 12680721 = 452^2 + 3561^2 .

It is not a de Polignac number, because 12885025 - 2¹ = 12885023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12885023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257676 + ... + 257725.

Almost surely, 2^12885025 is an apocalyptic number.

It is an amenable number.

12885025 is a deficient number, since it is larger than the sum of its proper divisors (3092437).

12885025 is an equidigital number, since it uses as much as digits as its factorization.

12885025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515411 (or 515406 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 12885025 is about 3589.5717014708. The cubic root of 12885025 is about 234.4382235363.

The spelling of 12885025 in words is "twelve million, eight hundred eighty-five thousand, twenty-five".