8713563 has 8 divisors (see below), whose sum is σ = 11888448. Its totient is φ = 5673864.

The previous prime is 8713553. The next prime is 8713567. The reversal of 8713563 is 3653178.

It is a happy number.

8713563 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8713563 - 2⁴ = 8713547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8713567) 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 7 ways as a sum of consecutive naturals, for example, 33645 + ... + 33902.

It is an arithmetic number, because the mean of its divisors is an integer number (1486056).

Almost surely, 2^8713563 is an apocalyptic number.

8713563 is a deficient number, since it is larger than the sum of its proper divisors (3174885).

8713563 is a wasteful number, since it uses less digits than its factorization.

8713563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67593.

The product of its digits is 15120, while the sum is 33.

The square root of 8713563 is about 2951.8744892017. The cubic root of 8713563 is about 205.7778341339. Note that the first 3 decimals are identical.

The spelling of 8713563 in words is "eight million, seven hundred thirteen thousand, five hundred sixty-three".