8712543 has 16 divisors (see below), whose sum is σ = 13548800. Its totient is φ = 4978008.

The previous prime is 8712533. The next prime is 8712547. The reversal of 8712543 is 3452178.

It is not a de Polignac number, because 8712543 - 2⁸ = 8712287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8712543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8712547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3205 + ... + 5262.

It is an arithmetic number, because the mean of its divisors is an integer number (846800).

Almost surely, 2^8712543 is an apocalyptic number.

8712543 is a deficient number, since it is larger than the sum of its proper divisors (4836257).

8712543 is an equidigital number, since it uses as much as digits as its factorization.

8712543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8491 (or 8477 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 8712543 is about 2951.7017125719. The cubic root of 8712543 is about 205.7698044458.

The spelling of 8712543 in words is "eight million, seven hundred twelve thousand, five hundred forty-three".