8148717 has 6 divisors (see below), whose sum is σ = 11770382. Its totient is φ = 5432472.

The previous prime is 8148713. The next prime is 8148727. The reversal of 8148717 is 7178418.

It can be written as a sum of positive squares in only one way, i.e., 7322436 + 826281 = 2706^2 + 909^2 .

It is not a de Polignac number, because 8148717 - 2² = 8148713 is a prime.

It is a Duffinian number.

8148717 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8148713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 452698 + ... + 452715.

Almost surely, 2^8148717 is an apocalyptic number.

It is an amenable number.

8148717 is a deficient number, since it is larger than the sum of its proper divisors (3621665).

8148717 is a wasteful number, since it uses less digits than its factorization.

8148717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905419 (or 905416 counting only the distinct ones).

The product of its digits is 12544, while the sum is 36.

The square root of 8148717 is about 2854.5957682306. The cubic root of 8148717 is about 201.2317072477.

Subtracting from 8148717 its reverse (7178418), we obtain a cube (970299 = 99³).

The spelling of 8148717 in words is "eight million, one hundred forty-eight thousand, seven hundred seventeen".