12108137 has 2 divisors, whose sum is σ = 12108138. Its totient is φ = 12108136.

The previous prime is 12108133. The next prime is 12108169. The reversal of 12108137 is 73180121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6651241 + 5456896 = 2579^2 + 2336^2 .

It is a cyclic number.

It is not a de Polignac number, because 12108137 - 2² = 12108133 is a prime.

It is a super-2 number, since 2×12108137² = 293213963221538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12108133) 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, 6054068 + 6054069.

It is an arithmetic number, because the mean of its divisors is an integer number (6054069).

Almost surely, 2^12108137 is an apocalyptic number.

It is an amenable number.

12108137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12108137 is an equidigital number, since it uses as much as digits as its factorization.

12108137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 12108137 is about 3479.6748411310. The cubic root of 12108137 is about 229.6284928744.

Adding to 12108137 its reverse (73180121), we get a palindrome (85288258).

The spelling of 12108137 in words is "twelve million, one hundred eight thousand, one hundred thirty-seven".