8031812 has 12 divisors (see below), whose sum is σ = 14435820. Its totient is φ = 3907296.

The previous prime is 8031799. The next prime is 8031817. The reversal of 8031812 is 2181308.

It can be written as a sum of positive squares in 2 ways, for example, as 7214596 + 817216 = 2686^2 + 904^2 .

It is not an unprimeable number, because it can be changed into a prime (8031817) 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, 26987 + ... + 27282.

It is an arithmetic number, because the mean of its divisors is an integer number (1202985).

Almost surely, 2^8031812 is an apocalyptic number.

It is an amenable number.

8031812 is a deficient number, since it is larger than the sum of its proper divisors (6404008).

8031812 is a wasteful number, since it uses less digits than its factorization.

8031812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54310 (or 54308 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 8031812 is about 2834.0451654834. The cubic root of 8031812 is about 200.2647493842.

The spelling of 8031812 in words is "eight million, thirty-one thousand, eight hundred twelve".