Search a number
-
+
12082517 is a prime number
BaseRepresentation
bin101110000101…
…110101010101
3211201212002122
4232011311111
511043120032
61110545325
7204461666
oct56056525
924655078
1012082517
116902857
124068245
132670725
14186736d
1510da012
hexb85d55

12082517 has 2 divisors, whose sum is σ = 12082518. Its totient is φ = 12082516.

The previous prime is 12082513. The next prime is 12082519. The reversal of 12082517 is 71528021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9006001 + 3076516 = 3001^2 + 1754^2 .

It is an emirp because it is prime and its reverse (71528021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12082517 - 22 = 12082513 is a prime.

Together with 12082519, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12082513) 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, 6041258 + 6041259.

It is an arithmetic number, because the mean of its divisors is an integer number (6041259).

Almost surely, 212082517 is an apocalyptic number.

It is an amenable number.

12082517 is a deficient number, since it is larger than the sum of its proper divisors (1).

12082517 is an equidigital number, since it uses as much as digits as its factorization.

12082517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12082517 is about 3475.9915132232. The cubic root of 12082517 is about 229.4664190483.

The spelling of 12082517 in words is "twelve million, eighty-two thousand, five hundred seventeen".