8712180 has 72 divisors (see below), whose sum is σ = 27354600. Its totient is φ = 2241792.

The previous prime is 8712173. The next prime is 8712181. The reversal of 8712180 is 812178.

It can be written as a sum of positive squares in 4 ways, for example, as 1028196 + 7683984 = 1014^2 + 2772^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8712181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4386 + ... + 6054.

It is an arithmetic number, because the mean of its divisors is an integer number (379925).

Almost surely, 2^8712180 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 8712180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13677300).

8712180 is an abundant number, since it is smaller than the sum of its proper divisors (18642420).

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

8712180 is a wasteful number, since it uses less digits than its factorization.

8712180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 8712180 is about 2951.6402219783. The cubic root of 8712180 is about 205.7669466702.

The spelling of 8712180 in words is "eight million, seven hundred twelve thousand, one hundred eighty".