8712018 has 24 divisors (see below), whose sum is σ = 21572928. Its totient is φ = 2489112.

The previous prime is 8712017. The next prime is 8712019. The reversal of 8712018 is 8102178.

8712018 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8712017) and next prime (8712019).

It is a junction number, because it is equal to n+sod(n) for n = 8711982 and 8712000.

It is not an unprimeable number, because it can be changed into a prime (8712017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34446 + ... + 34697.

It is an arithmetic number, because the mean of its divisors is an integer number (898872).

Almost surely, 2^8712018 is an apocalyptic number.

8712018 is an abundant number, since it is smaller than the sum of its proper divisors (12860910).

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

8712018 is a wasteful number, since it uses less digits than its factorization.

8712018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69158 (or 69155 counting only the distinct ones).

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

The square root of 8712018 is about 2951.6127794818. The cubic root of 8712018 is about 205.7656712737.

The spelling of 8712018 in words is "eight million, seven hundred twelve thousand, eighteen".