6818812 has 72 divisors (see below), whose sum is σ = 16232832. Its totient is φ = 2433600.

The previous prime is 6818803. The next prime is 6818827. The reversal of 6818812 is 2188186.

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, 51987 + ... + 52117.

It is an arithmetic number, because the mean of its divisors is an integer number (225456).

Almost surely, 2^6818812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6818812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8116416).

6818812 is an abundant number, since it is smaller than the sum of its proper divisors (9414020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6818812 is a wasteful number, since it uses less digits than its factorization.

6818812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 164 counting only the distinct ones).

The product of its digits is 6144, while the sum is 34.

The square root of 6818812 is about 2611.2855071784. The cubic root of 6818812 is about 189.6281925592.

It can be divided in two parts, 6 and 818812, that added together give a palindrome (818818).

The spelling of 6818812 in words is "six million, eight hundred eighteen thousand, eight hundred twelve".