12500885 has 16 divisors (see below), whose sum is σ = 15744240. Its totient is φ = 9515520.

The previous prime is 12500869. The next prime is 12500893. The reversal of 12500885 is 58800521.

It can be written as a sum of positive squares in 8 ways, for example, as 605284 + 11895601 = 778^2 + 3449^2 .

It is not a de Polignac number, because 12500885 - 2⁴ = 12500869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9995 + ... + 11175.

It is an arithmetic number, because the mean of its divisors is an integer number (984015).

Almost surely, 2^12500885 is an apocalyptic number.

It is an amenable number.

12500885 is a deficient number, since it is larger than the sum of its proper divisors (3243355).

12500885 is a wasteful number, since it uses less digits than its factorization.

12500885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 12500885 is about 3535.6590616178. The cubic root of 12500885 is about 232.0849186262.

The spelling of 12500885 in words is "twelve million, five hundred thousand, eight hundred eighty-five".