Search a number
-
+
12108017 is a prime number
BaseRepresentation
bin101110001100…
…000011110001
3211210011002002
4232030003301
511044424032
61111303345
7204626225
oct56140361
924704062
1012108017
11691aa29
12407ab55
13267c20c
141872785
1510e2862
hexb8c0f1

12108017 has 2 divisors, whose sum is σ = 12108018. Its totient is φ = 12108016.

The previous prime is 12108007. The next prime is 12108037. The reversal of 12108017 is 71080121.

It is an a-pointer prime, because the next prime (12108037) can be obtained adding 12108017 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10817521 + 1290496 = 3289^2 + 1136^2 .

It is a cyclic number.

It is not a de Polignac number, because 12108017 - 214 = 12091633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12108017.

It is not a weakly prime, because it can be changed into another prime (12108007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6054008 + 6054009.

It is an arithmetic number, because the mean of its divisors is an integer number (6054009).

Almost surely, 212108017 is an apocalyptic number.

It is an amenable number.

12108017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12108017 is an equidigital number, since it uses as much as digits as its factorization.

12108017 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12108017 is about 3479.6575980978. The cubic root of 12108017 is about 229.6277342796.

Adding to 12108017 its reverse (71080121), we get a palindrome (83188138).

The spelling of 12108017 in words is "twelve million, one hundred eight thousand, seventeen".