12161417 has 2 divisors, whose sum is σ = 12161418. Its totient is φ = 12161416.

The previous prime is 12161351. The next prime is 12161431. The reversal of 12161417 is 71416121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7513081 + 4648336 = 2741^2 + 2156^2 .

It is a cyclic number.

It is not a de Polignac number, because 12161417 - 2¹⁴ = 12145033 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12161392 and 12161401.

It is not a weakly prime, because it can be changed into another prime (12161437) 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, 6080708 + 6080709.

It is an arithmetic number, because the mean of its divisors is an integer number (6080709).

Almost surely, 2^12161417 is an apocalyptic number.

It is an amenable number.

12161417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12161417 is an equidigital number, since it uses as much as digits as its factorization.

12161417 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12161417 is about 3487.3223252232. The cubic root of 12161417 is about 229.9648150336.

Adding to 12161417 its reverse (71416121), we get a palindrome (83577538).

The spelling of 12161417 in words is "twelve million, one hundred sixty-one thousand, four hundred seventeen".