12208349 has 2 divisors, whose sum is σ = 12208350. Its totient is φ = 12208348.

The previous prime is 12208321. The next prime is 12208351. The reversal of 12208349 is 94380221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11682724 + 525625 = 3418^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 12208349 - 2⁸ = 12208093 is a prime.

It is a Sophie Germain prime.

Together with 12208351, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12208319) 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, 6104174 + 6104175.

It is an arithmetic number, because the mean of its divisors is an integer number (6104175).

Almost surely, 2^12208349 is an apocalyptic number.

It is an amenable number.

12208349 is a deficient number, since it is larger than the sum of its proper divisors (1).

12208349 is an equidigital number, since it uses as much as digits as its factorization.

12208349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 12208349 is about 3494.0447907833. The cubic root of 12208349 is about 230.2602536064.

The spelling of 12208349 in words is "twelve million, two hundred eight thousand, three hundred forty-nine".