6811812 has 36 divisors (see below), whose sum is σ = 19679296. Its totient is φ = 1946160.

The previous prime is 6811801. The next prime is 6811813. The reversal of 6811812 is 2181186.

6811812 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (6811813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13264 + ... + 13767.

Almost surely, 2^6811812 is an apocalyptic number.

It is an amenable number.

6811812 is an abundant number, since it is smaller than the sum of its proper divisors (12867484).

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

6811812 is a wasteful number, since it uses less digits than its factorization.

6811812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27048 (or 27043 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 6811812 is about 2609.9448270031. The cubic root of 6811812 is about 189.5632813581.

Adding to 6811812 its reverse (2181186), we get a palindrome (8992998).

The spelling of 6811812 in words is "six million, eight hundred eleven thousand, eight hundred twelve".