6311812 has 18 divisors (see below), whose sum is σ = 11961978. Its totient is φ = 2912832.

The previous prime is 6311807. The next prime is 6311873. The reversal of 6311812 is 2181136.

It can be written as a sum of positive squares in 3 ways, for example, as 484416 + 5827396 = 696^2 + 2414^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3993 + ... + 5344.

Almost surely, 2^6311812 is an apocalyptic number.

It is an amenable number.

6311812 is a deficient number, since it is larger than the sum of its proper divisors (5650166).

6311812 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 6311812 = (3621181)₁₁.

6311812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9367 (or 9352 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 6311812 is about 2512.3319844320. The cubic root of 6311812 is about 184.8068302667.

Adding to 6311812 its reverse (2181136), we get a palindrome (8492948).

The spelling of 6311812 in words is "six million, three hundred eleven thousand, eight hundred twelve".