Search a number
-
+
12175117 is a prime number
BaseRepresentation
bin101110011100…
…011100001101
3211220120010021
4232130130031
511104100432
61112542141
7205325653
oct56343415
924816107
1012175117
116966389
1240b1951
1326a3916
14188cdd3
151107697
hexb9c70d

12175117 has 2 divisors, whose sum is σ = 12175118. Its totient is φ = 12175116.

The previous prime is 12175103. The next prime is 12175123. The reversal of 12175117 is 71157121.

12175117 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10118761 + 2056356 = 3181^2 + 1434^2 .

It is a cyclic number.

It is not a de Polignac number, because 12175117 - 27 = 12174989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12175091 and 12175100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12175127) 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 as a sum of consecutive naturals, namely, 6087558 + 6087559.

It is an arithmetic number, because the mean of its divisors is an integer number (6087559).

Almost surely, 212175117 is an apocalyptic number.

It is an amenable number.

12175117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12175117 is an equidigital number, since it uses as much as digits as its factorization.

12175117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 490, while the sum is 25.

The square root of 12175117 is about 3489.2860301213. The cubic root of 12175117 is about 230.0511354482.

The spelling of 12175117 in words is "twelve million, one hundred seventy-five thousand, one hundred seventeen".