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12080171 is a prime number
BaseRepresentation
bin101110000101…
…010000101011
3211201201212202
4232011100223
511043031141
61110530415
7204452105
oct56052053
924651782
1012080171
116901014
124066a0b
13266c63c
141866575
1510d949b
hexb8542b

12080171 has 2 divisors, whose sum is σ = 12080172. Its totient is φ = 12080170.

The previous prime is 12080161. The next prime is 12080197. The reversal of 12080171 is 17108021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12080171 - 210 = 12079147 is a prime.

It is not a weakly prime, because it can be changed into another prime (12080141) 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, 6040085 + 6040086.

It is an arithmetic number, because the mean of its divisors is an integer number (6040086).

Almost surely, 212080171 is an apocalyptic number.

12080171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12080171 is an equidigital number, since it uses as much as digits as its factorization.

12080171 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 12080171 is about 3475.6540391702. The cubic root of 12080171 is about 229.4515666500.

Adding to 12080171 its reverse (17108021), we get a palindrome (29188192).

The spelling of 12080171 in words is "twelve million, eighty thousand, one hundred seventy-one".