12810085 has 24 divisors (see below), whose sum is σ = 16678656. Its totient is φ = 9439200.

The previous prime is 12810079. The next prime is 12810121. The reversal of 12810085 is 58001821.

12810085 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12810085 - 2⁵ = 12810053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84760 + ... + 84910.

It is an arithmetic number, because the mean of its divisors is an integer number (694944).

Almost surely, 2^12810085 is an apocalyptic number.

It is an amenable number.

12810085 is a deficient number, since it is larger than the sum of its proper divisors (3868571).

12810085 is a wasteful number, since it uses less digits than its factorization.

12810085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 12810085 is about 3579.1179080885. The cubic root of 12810085 is about 233.9828377605.

The spelling of 12810085 in words is "twelve million, eight hundred ten thousand, eighty-five".