9947712 has 56 divisors (see below), whose sum is σ = 26554176. Its totient is φ = 3286528.

The previous prime is 9947671. The next prime is 9947719. The reversal of 9947712 is 2177499.

It is not an unprimeable number, because it can be changed into a prime (9947719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37693 + ... + 37955.

Almost surely, 2^9947712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9947712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13277088).

9947712 is an abundant number, since it is smaller than the sum of its proper divisors (16606464).

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

9947712 is a wasteful number, since it uses less digits than its factorization.

9947712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 465 counting only the distinct ones).

The product of its digits is 31752, while the sum is 39.

The square root of 9947712 is about 3153.9993658845. Note that the first 3 decimals coincide. The cubic root of 9947712 is about 215.0673090140.

The spelling of 9947712 in words is "nine million, nine hundred forty-seven thousand, seven hundred twelve".