8312706 has 60 divisors (see below), whose sum is σ = 19672422. Its totient is φ = 2623104.

The previous prime is 8312693. The next prime is 8312713. The reversal of 8312706 is 6072138.

It can be written as a sum of positive squares in only one way, i.e., 7241481 + 1071225 = 2691^2 + 1035^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 8312706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 85650 + ... + 85746.

Almost surely, 2^8312706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8312706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9836211).

8312706 is an abundant number, since it is smaller than the sum of its proper divisors (11359716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8312706 is a wasteful number, since it uses less digits than its factorization.

8312706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 8312706 is about 2883.1763733771. The cubic root of 8312706 is about 202.5726488305.

The spelling of 8312706 in words is "eight million, three hundred twelve thousand, seven hundred six".