12245161 has 2 divisors, whose sum is σ = 12245162. Its totient is φ = 12245160.

The previous prime is 12245143. The next prime is 12245171. The reversal of 12245161 is 16154221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7155625 + 5089536 = 2675^2 + 2256^2 .

It is a cyclic number.

It is not a de Polignac number, because 12245161 - 2⁷ = 12245033 is a prime.

It is not a weakly prime, because it can be changed into another prime (12245171) 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, 6122580 + 6122581.

It is an arithmetic number, because the mean of its divisors is an integer number (6122581).

Almost surely, 2^12245161 is an apocalyptic number.

It is an amenable number.

12245161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12245161 is an equidigital number, since it uses as much as digits as its factorization.

12245161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 12245161 is about 3499.3086460042. The cubic root of 12245161 is about 230.4914569982.

Adding to 12245161 its reverse (16154221), we get a palindrome (28399382).

The spelling of 12245161 in words is "twelve million, two hundred forty-five thousand, one hundred sixty-one".