12017117 has 8 divisors (see below), whose sum is σ = 13776000. Its totient is φ = 10268784.

The previous prime is 12017111. The next prime is 12017123. The reversal of 12017117 is 71171021.

It is an interprime number because it is at equal distance from previous prime (12017111) and next prime (12017123).

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

It is a cyclic number.

It is not a de Polignac number, because 12017117 - 2⁸ = 12016861 is a prime.

It is a super-2 number, since 2×12017117² = 288822201983378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12017111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17 + ... + 4902.

It is an arithmetic number, because the mean of its divisors is an integer number (1722000).

Almost surely, 2^12017117 is an apocalyptic number.

It is an amenable number.

12017117 is a deficient number, since it is larger than the sum of its proper divisors (1758883).

12017117 is an equidigital number, since it uses as much as digits as its factorization.

12017117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275.

The product of its (nonzero) digits is 98, while the sum is 20.

The square root of 12017117 is about 3466.5713608694. The cubic root of 12017117 is about 229.0516527586.

Adding to 12017117 its reverse (71171021), we get a palindrome (83188138).

The spelling of 12017117 in words is "twelve million, seventeen thousand, one hundred seventeen".