812752 has 20 divisors (see below), whose sum is σ = 1597120. Its totient is φ = 400608.

The previous prime is 812731. The next prime is 812759. The reversal of 812752 is 257218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812759) by changing a digit.

812752 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, 943 + ... + 1585.

It is an arithmetic number, because the mean of its divisors is an integer number (79856).

2⁸¹²⁷⁵² is an apocalyptic number.

It is an amenable number.

812752 is a deficient number, since it is larger than the sum of its proper divisors (784368).

812752 is a wasteful number, since it uses less digits than its factorization.

812752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 724 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 812752 is about 901.5275924785. The cubic root of 812752 is about 93.3224250290.

The spelling of 812752 in words is "eight hundred twelve thousand, seven hundred fifty-two".