683812 has 6 divisors (see below), whose sum is σ = 1196678. Its totient is φ = 341904.

The previous prime is 683807. The next prime is 683819. The reversal of 683812 is 218386.

683812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 665856 + 17956 = 816^2 + 134^2 .

It is not an unprimeable number, because it can be changed into a prime (683819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85473 + ... + 85480.

2⁶⁸³⁸¹² is an apocalyptic number.

It is an amenable number.

683812 is a deficient number, since it is larger than the sum of its proper divisors (512866).

683812 is a wasteful number, since it uses less digits than its factorization.

683812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170957 (or 170955 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 683812 is about 826.9292593687. The cubic root of 683812 is about 88.1006080741.

The spelling of 683812 in words is "six hundred eighty-three thousand, eight hundred twelve".