8011217 has 4 divisors (see below), whose sum is σ = 8432880. Its totient is φ = 7589556.

The previous prime is 8011207. The next prime is 8011247. The reversal of 8011217 is 7121108.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8011217 - 2¹² = 8007121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8011207) 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, 210803 + ... + 210840.

It is an arithmetic number, because the mean of its divisors is an integer number (2108220).

Almost surely, 2^8011217 is an apocalyptic number.

It is an amenable number.

8011217 is a deficient number, since it is larger than the sum of its proper divisors (421663).

8011217 is a wasteful number, since it uses less digits than its factorization.

8011217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421662.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 8011217 is about 2830.4093343543. The cubic root of 8011217 is about 200.0934313461.

It can be divided in two parts, 8011 and 217, that added together give a palindrome (8228).

The spelling of 8011217 in words is "eight million, eleven thousand, two hundred seventeen".