12017 has 4 divisors (see below), whose sum is σ = 12276.
Its totient is φ = 11760.
The previous prime is 12011. The next prime is 12037. The reversal of 12017 is 71021.
12017 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6241 + 5776 = 79^2 + 76^2
It is a cyclic number.
It is not a de Polignac number, because 12017 - 26 = 11953 is a prime.
It is a Duffinian number.
12017 is an undulating number in base 14.
It is a junction number, because it is equal to n+sod(n) for n = 11989 and 12007.
It is not an unprimeable number, because it can be changed into a prime (12011) 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, 38 + ... + 159.
It is an arithmetic number, because the mean of its divisors is an integer number (3069).
212017 is an apocalyptic number.
It is an amenable number.
12017 is a deficient number, since it is larger than the sum of its proper divisors (259).
12017 is an equidigital number, since it uses as much as digits as its factorization.
12017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258.
The product of its (nonzero) digits is 14, while the sum is 11.
The square root of 12017 is about 109.6220780682.
The cubic root of 12017 is about 22.9050909399.
Adding to 12017 its reverse (71021), we get a palindrome (83038).
The spelling of 12017 in words is "twelve thousand, seventeen", and thus it is an iban number.