9712216 has 16 divisors (see below), whose sum is σ = 18838800. Its totient is φ = 4688544.

The previous prime is 9712201. The next prime is 9712231. The reversal of 9712216 is 6122179.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9712201) and next prime (9712231).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20700 + ... + 21163.

It is an arithmetic number, because the mean of its divisors is an integer number (1177425).

Almost surely, 2^9712216 is an apocalyptic number.

It is an amenable number.

9712216 is a deficient number, since it is larger than the sum of its proper divisors (9126584).

9712216 is a wasteful number, since it uses less digits than its factorization.

9712216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41898 (or 41894 counting only the distinct ones).

The product of its digits is 1512, while the sum is 28.

The square root of 9712216 is about 3116.4428440130. The cubic root of 9712216 is about 213.3566142128.

The spelling of 9712216 in words is "nine million, seven hundred twelve thousand, two hundred sixteen".