12868185 has 32 divisors (see below), whose sum is σ = 22643712. Its totient is φ = 6188480.

The previous prime is 12868181. The next prime is 12868211. The reversal of 12868185 is 58186821.

It is not a de Polignac number, because 12868185 - 2² = 12868181 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12868181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27322 + ... + 27788.

It is an arithmetic number, because the mean of its divisors is an integer number (707616).

Almost surely, 2^12868185 is an apocalyptic number.

12868185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12868185 is a deficient number, since it is larger than the sum of its proper divisors (9775527).

12868185 is a wasteful number, since it uses less digits than its factorization.

12868185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653.

The product of its digits is 30720, while the sum is 39.

The square root of 12868185 is about 3587.2252508032. The cubic root of 12868185 is about 234.3360465040.

The spelling of 12868185 in words is "twelve million, eight hundred sixty-eight thousand, one hundred eighty-five".