6879812 has 12 divisors (see below), whose sum is σ = 12205116. Its totient is φ = 3392640.

The previous prime is 6879811. The next prime is 6879823. The reversal of 6879812 is 2189786.

It can be written as a sum of positive squares in 2 ways, for example, as 2611456 + 4268356 = 1616^2 + 2066^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6879812.

It is not an unprimeable number, because it can be changed into a prime (6879811) 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 3 ways as a sum of consecutive naturals, for example, 11489 + ... + 12072.

It is an arithmetic number, because the mean of its divisors is an integer number (1017093).

Almost surely, 2^6879812 is an apocalyptic number.

It is an amenable number.

6879812 is a deficient number, since it is larger than the sum of its proper divisors (5325304).

6879812 is a wasteful number, since it uses less digits than its factorization.

6879812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23638 (or 23636 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 6879812 is about 2622.9395723120. The cubic root of 6879812 is about 190.1919758608.

The spelling of 6879812 in words is "six million, eight hundred seventy-nine thousand, eight hundred twelve".