863012 has 6 divisors (see below), whose sum is σ = 1510278. Its totient is φ = 431504.

The previous prime is 863003. The next prime is 863017. The reversal of 863012 is 210368.

It can be written as a sum of positive squares in only one way, i.e., 817216 + 45796 = 904^2 + 214^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 863012.

It is not an unprimeable number, because it can be changed into a prime (863017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107873 + ... + 107880.

It is an arithmetic number, because the mean of its divisors is an integer number (251713).

2⁸⁶³⁰¹² is an apocalyptic number.

It is an amenable number.

863012 is a deficient number, since it is larger than the sum of its proper divisors (647266).

863012 is a wasteful number, since it uses less digits than its factorization.

863012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215757 (or 215755 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 863012 is about 928.9843916880. The cubic root of 863012 is about 95.2077448210.

The spelling of 863012 in words is "eight hundred sixty-three thousand, twelve".