8712319 has 8 divisors (see below), whose sum is σ = 10862208. Its totient is φ = 6788760.

The previous prime is 8712311. The next prime is 8712323. The reversal of 8712319 is 9132178.

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

It is not a de Polignac number, because 8712319 - 2³ = 8712311 is a prime.

It is a super-2 number, since 2×8712319² = 151809004715522, which contains 22 as substring.

8712319 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8712311) 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, 56497 + ... + 56650.

It is an arithmetic number, because the mean of its divisors is an integer number (1357776).

Almost surely, 2^8712319 is an apocalyptic number.

8712319 is a deficient number, since it is larger than the sum of its proper divisors (2149889).

8712319 is a wasteful number, since it uses less digits than its factorization.

8712319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113165.

The product of its digits is 3024, while the sum is 31.

The square root of 8712319 is about 2951.6637681145. The cubic root of 8712319 is about 205.7680409793.

The spelling of 8712319 in words is "eight million, seven hundred twelve thousand, three hundred nineteen".