4012217 has 4 divisors (see below), whose sum is σ = 4376976. Its totient is φ = 3647460.

The previous prime is 4012213. The next prime is 4012241. The reversal of 4012217 is 7122104.

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 4012217 - 2² = 4012213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4012195 and 4012204.

It is not an unprimeable number, because it can be changed into a prime (4012213) 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 3 ways as a sum of consecutive naturals, for example, 182363 + ... + 182384.

It is an arithmetic number, because the mean of its divisors is an integer number (1094244).

Almost surely, 2^4012217 is an apocalyptic number.

It is an amenable number.

4012217 is a deficient number, since it is larger than the sum of its proper divisors (364759).

4012217 is a wasteful number, since it uses less digits than its factorization.

4012217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364758.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 4012217 is about 2003.0519214439. The cubic root of 4012217 is about 158.9015515978.

The spelling of 4012217 in words is "four million, twelve thousand, two hundred seventeen".