6812885 has 16 divisors (see below), whose sum is σ = 8522496. Its totient is φ = 5224128.

The previous prime is 6812879. The next prime is 6812891. The reversal of 6812885 is 5882186.

It is an interprime number because it is at equal distance from previous prime (6812879) and next prime (6812891).

It is a cyclic number.

It is not a de Polignac number, because 6812885 - 2⁶ = 6812821 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12182 + ... + 12728.

It is an arithmetic number, because the mean of its divisors is an integer number (532656).

Almost surely, 2^6812885 is an apocalyptic number.

It is an amenable number.

6812885 is a deficient number, since it is larger than the sum of its proper divisors (1709611).

6812885 is a wasteful number, since it uses less digits than its factorization.

6812885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652.

The product of its digits is 30720, while the sum is 38.

The square root of 6812885 is about 2610.1503788096. The cubic root of 6812885 is about 189.5732342029.

The spelling of 6812885 in words is "six million, eight hundred twelve thousand, eight hundred eighty-five".