12242617 has 2 divisors, whose sum is σ = 12242618. Its totient is φ = 12242616.

The previous prime is 12242579. The next prime is 12242621. The reversal of 12242617 is 71624221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10732176 + 1510441 = 3276^2 + 1229^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12242617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12242591 and 12242600.

It is not a weakly prime, because it can be changed into another prime (12242687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121308 + 6121309.

It is an arithmetic number, because the mean of its divisors is an integer number (6121309).

Almost surely, 2^12242617 is an apocalyptic number.

It is an amenable number.

12242617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12242617 is an equidigital number, since it uses as much as digits as its factorization.

12242617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 12242617 is about 3498.9451267489. The cubic root of 12242617 is about 230.4754939338.

Adding to 12242617 its reverse (71624221), we get a palindrome (83866838).

The spelling of 12242617 in words is "twelve million, two hundred forty-two thousand, six hundred seventeen".