8561712 has 40 divisors (see below), whose sum is σ = 22337856. Its totient is φ = 2825536.

The previous prime is 8561701. The next prime is 8561713. The reversal of 8561712 is 2171658.

It is a self number, because there is not a number n which added to its sum of digits gives 8561712.

It is not an unprimeable number, because it can be changed into a prime (8561713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4303 + ... + 5969.

Almost surely, 2^8561712 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 8561712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11168928).

8561712 is an abundant number, since it is smaller than the sum of its proper divisors (13776144).

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

8561712 is a wasteful number, since it uses less digits than its factorization.

8561712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785 (or 1779 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 8561712 is about 2926.0403278150. The cubic root of 8561712 is about 204.5754608998.

The spelling of 8561712 in words is "eight million, five hundred sixty-one thousand, seven hundred twelve".