7967812 has 12 divisors (see below), whose sum is σ = 14017276. Its totient is φ = 3962880.

The previous prime is 7967803. The next prime is 7967819. The reversal of 7967812 is 2187697.

It can be written as a sum of positive squares in 2 ways, for example, as 3154176 + 4813636 = 1776^2 + 2194^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7967819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4389 + ... + 5932.

Almost surely, 2^7967812 is an apocalyptic number.

It is an amenable number.

7967812 is a deficient number, since it is larger than the sum of its proper divisors (6049464).

7967812 is a wasteful number, since it uses less digits than its factorization.

7967812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10518 (or 10516 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 7967812 is about 2822.7313014171. The cubic root of 7967812 is about 199.7314061148.

The spelling of 7967812 in words is "seven million, nine hundred sixty-seven thousand, eight hundred twelve".