9866712 has 16 divisors (see below), whose sum is σ = 24666840. Its totient is φ = 3288896.

The previous prime is 9866707. The next prime is 9866713. The reversal of 9866712 is 2176689.

9866712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×9866712⁴ (a number of 29 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9866713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205533 + ... + 205580.

Almost surely, 2^9866712 is an apocalyptic number.

It is an amenable number.

9866712 is an abundant number, since it is smaller than the sum of its proper divisors (14800128).

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

9866712 is a wasteful number, since it uses less digits than its factorization.

9866712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411122 (or 411118 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 9866712 is about 3141.1322799271. The cubic root of 9866712 is about 214.4819834793.

The spelling of 9866712 in words is "nine million, eight hundred sixty-six thousand, seven hundred twelve".