8012217 has 4 divisors (see below), whose sum is σ = 10682960. Its totient is φ = 5341476.

The previous prime is 8012209. The next prime is 8012227. The reversal of 8012217 is 7122108.

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 not a de Polignac number, because 8012217 - 2³ = 8012209 is a prime.

It is a Duffinian number.

8012217 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8012193 and 8012202.

It is not an unprimeable number, because it can be changed into a prime (8012227) 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, 1335367 + ... + 1335372.

It is an arithmetic number, because the mean of its divisors is an integer number (2670740).

Almost surely, 2^8012217 is an apocalyptic number.

It is an amenable number.

8012217 is a deficient number, since it is larger than the sum of its proper divisors (2670743).

8012217 is a wasteful number, since it uses less digits than its factorization.

8012217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670742.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 8012217 is about 2830.5859817359. The cubic root of 8012217 is about 200.1017565526.

The spelling of 8012217 in words is "eight million, twelve thousand, two hundred seventeen".