8712347 has 12 divisors (see below), whose sum is σ = 10731960. Its totient is φ = 7027776.

The previous prime is 8712337. The next prime is 8712349. The reversal of 8712347 is 7432178.

It is a happy number.

It is not a de Polignac number, because 8712347 - 2⁸ = 8712091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8712349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4397 + ... + 6062.

It is an arithmetic number, because the mean of its divisors is an integer number (894330).

Almost surely, 2^8712347 is an apocalyptic number.

8712347 is a deficient number, since it is larger than the sum of its proper divisors (2019613).

8712347 is a wasteful number, since it uses less digits than its factorization.

8712347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10490 (or 10483 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 8712347 is about 2951.6685111984. The cubic root of 8712347 is about 205.7682614143.

The spelling of 8712347 in words is "eight million, seven hundred twelve thousand, three hundred forty-seven".