12108277 has 2 divisors, whose sum is σ = 12108278. Its totient is φ = 12108276.

The previous prime is 12108247. The next prime is 12108319. The reversal of 12108277 is 77280121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12068676 + 39601 = 3474^2 + 199^2 .

It is a cyclic number.

It is not a de Polignac number, because 12108277 - 2²³ = 3719669 is a prime.

It is a super-2 number, since 2×12108277² = 293220743817458, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12108247) 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, 6054138 + 6054139.

It is an arithmetic number, because the mean of its divisors is an integer number (6054139).

Almost surely, 2^12108277 is an apocalyptic number.

It is an amenable number.

12108277 is a deficient number, since it is larger than the sum of its proper divisors (1).

12108277 is an equidigital number, since it uses as much as digits as its factorization.

12108277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 12108277 is about 3479.6949578950. The cubic root of 12108277 is about 229.6293778954.

Adding to 12108277 its reverse (77280121), we get a palindrome (89388398).

The spelling of 12108277 in words is "twelve million, one hundred eight thousand, two hundred seventy-seven".