8712563 has 4 divisors (see below), whose sum is σ = 8798928. Its totient is φ = 8626200.

The previous prime is 8712547. The next prime is 8712577. The reversal of 8712563 is 3652178.

It is a happy number.

8712563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8712563 - 2⁴ = 8712547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8712523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43031 + ... + 43232.

It is an arithmetic number, because the mean of its divisors is an integer number (2199732).

Almost surely, 2^8712563 is an apocalyptic number.

8712563 is a deficient number, since it is larger than the sum of its proper divisors (86365).

8712563 is a wasteful number, since it uses less digits than its factorization.

8712563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86364.

The product of its digits is 10080, while the sum is 32.

The square root of 8712563 is about 2951.7051004462. The cubic root of 8712563 is about 205.7699618967.

It can be divided in two parts, 87 and 12563, that multiplied together give a triangular number (1092981 = T₁₄₇₈).

The spelling of 8712563 in words is "eight million, seven hundred twelve thousand, five hundred sixty-three".