8109712 has 40 divisors (see below), whose sum is σ = 17110016. Its totient is φ = 3701376.

The previous prime is 8109701. The next prime is 8109719. The reversal of 8109712 is 2179018.

It is not an unprimeable number, because it can be changed into a prime (8109719) 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, 26263 + ... + 26569.

Almost surely, 2^8109712 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 8109712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8555008).

8109712 is an abundant number, since it is smaller than the sum of its proper divisors (9000304).

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

8109712 is a wasteful number, since it uses less digits than its factorization.

8109712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 8109712 is about 2847.7556074916. The cubic root of 8109712 is about 200.9101188033.

The spelling of 8109712 in words is "eight million, one hundred nine thousand, seven hundred twelve".