812708 has 12 divisors (see below), whose sum is σ = 1531740. Its totient is φ = 375072.

The previous prime is 812701. The next prime is 812711. The reversal of 812708 is 807218.

It can be written as a sum of positive squares in 2 ways, for example, as 550564 + 262144 = 742^2 + 512^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (812701) 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, 7763 + ... + 7866.

It is an arithmetic number, because the mean of its divisors is an integer number (127645).

2⁸¹²⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

812708 is a deficient number, since it is larger than the sum of its proper divisors (719032).

812708 is a wasteful number, since it uses less digits than its factorization.

812708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15646 (or 15644 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 812708 is about 901.5031891236. The cubic root of 812708 is about 93.3207409315.

Adding to 812708 its product of nonzero digits (896), we get a square (813604 = 902²).

The spelling of 812708 in words is "eight hundred twelve thousand, seven hundred eight".