812732 has 6 divisors (see below), whose sum is σ = 1422288. Its totient is φ = 406364.

The previous prime is 812731. The next prime is 812759. The reversal of 812732 is 237218.

It is a junction number, because it is equal to n+sod(n) for n = 812698 and 812707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812731) 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 as a sum of consecutive naturals, namely, 101588 + ... + 101595.

It is an arithmetic number, because the mean of its divisors is an integer number (237048).

2⁸¹²⁷³² is an apocalyptic number.

It is an amenable number.

812732 is a deficient number, since it is larger than the sum of its proper divisors (609556).

812732 is a wasteful number, since it uses less digits than its factorization.

812732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203187 (or 203185 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 812732 is about 901.5165001263. The cubic root of 812732 is about 93.3216595377.

The spelling of 812732 in words is "eight hundred twelve thousand, seven hundred thirty-two".