8147712 has 54 divisors (see below), whose sum is σ = 21897372. Its totient is φ = 2689536.

The previous prime is 8147693. The next prime is 8147717. The reversal of 8147712 is 2177418.

It is a self number, because there is not a number n which added to its sum of digits gives 8147712.

It is not an unprimeable number, because it can be changed into a prime (8147717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79053 + ... + 79155.

Almost surely, 2^8147712 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 8147712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10948686).

8147712 is an abundant number, since it is smaller than the sum of its proper divisors (13749660).

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

8147712 is an equidigital number, since it uses as much as digits as its factorization.

8147712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 108 counting only the distinct ones).

The product of its digits is 3136, while the sum is 30.

The square root of 8147712 is about 2854.4197308735. The cubic root of 8147712 is about 201.2234341179.

The spelling of 8147712 in words is "eight million, one hundred forty-seven thousand, seven hundred twelve".