12499885 has 16 divisors (see below), whose sum is σ = 15687936. Its totient is φ = 9551808.

The previous prime is 12499873. The next prime is 12499897. The reversal of 12499885 is 58899421.

It is an interprime number because it is at equal distance from previous prime (12499873) and next prime (12499897).

It is a cyclic number.

It is not a de Polignac number, because 12499885 - 2⁷ = 12499757 is a prime.

It is a Duffinian number.

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, 9487 + ... + 10723.

It is an arithmetic number, because the mean of its divisors is an integer number (980496).

Almost surely, 2^12499885 is an apocalyptic number.

It is an amenable number.

12499885 is a deficient number, since it is larger than the sum of its proper divisors (3188051).

12499885 is a wasteful number, since it uses less digits than its factorization.

12499885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332.

The product of its digits is 207360, while the sum is 46.

The square root of 12499885 is about 3535.5176424394. The cubic root of 12499885 is about 232.0787299682.

The spelling of 12499885 in words is "twelve million, four hundred ninety-nine thousand, eight hundred eighty-five".