812716 has 12 divisors (see below), whose sum is σ = 1430800. Its totient is φ = 403920.

The previous prime is 812711. The next prime is 812717. The reversal of 812716 is 617218.

812716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (812711) by changing a digit.

812716 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286 + ... + 1306.

2⁸¹²⁷¹⁶ is an apocalyptic number.

It is an amenable number.

812716 is a deficient number, since it is larger than the sum of its proper divisors (618084).

812716 is a wasteful number, since it uses less digits than its factorization.

812716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1222 counting only the distinct ones).

The product of its digits is 672, while the sum is 25.

The square root of 812716 is about 901.5076261463. The cubic root of 812716 is about 93.3210471356.

The spelling of 812716 in words is "eight hundred twelve thousand, seven hundred sixteen".