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12107 is a prime number
BaseRepresentation
bin10111101001011
3121121102
42331023
5341412
6132015
750204
oct27513
917542
1012107
119107
12700b
135684
1445ab
1538c2
hex2f4b

12107 has 2 divisors, whose sum is σ = 12108. Its totient is φ = 12106.

The previous prime is 12101. The next prime is 12109. The reversal of 12107 is 70121.

Adding to 12107 its product of nonzero digits (14), we get a palindrome (12121).

Adding to 12107 its reverse (70121), we get a palindrome (82228).

It is a strong prime.

It is an emirp because it is prime and its reverse (70121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12107 - 26 = 12043 is a prime.

Together with 12109, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 12107.

It is not a weakly prime, because it can be changed into another prime (12101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6053 + 6054.

It is an arithmetic number, because the mean of its divisors is an integer number (6054).

12107 is a Friedman number, since it can be written as 110^2+7, using all its digits and the basic arithmetic operations.

212107 is an apocalyptic number.

12107 is a deficient number, since it is larger than the sum of its proper divisors (1).

12107 is an equidigital number, since it uses as much as digits as its factorization.

12107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 11.

The square root of 12107 is about 110.0318135813. The cubic root of 12107 is about 22.9621304987.

The spelling of 12107 in words is "twelve thousand, one hundred seven", and thus it is an iban number.