12004417 has 2 divisors, whose sum is σ = 12004418. Its totient is φ = 12004416.

The previous prime is 12004403. The next prime is 12004427. The reversal of 12004417 is 71440021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9235521 + 2768896 = 3039^2 + 1664^2 .

It is a cyclic number.

It is not a de Polignac number, because 12004417 - 2¹¹ = 12002369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12004394 and 12004403.

It is not a weakly prime, because it can be changed into another prime (12004427) 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, 6002208 + 6002209.

It is an arithmetic number, because the mean of its divisors is an integer number (6002209).

Almost surely, 2^12004417 is an apocalyptic number.

It is an amenable number.

12004417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12004417 is an equidigital number, since it uses as much as digits as its factorization.

12004417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 12004417 is about 3464.7390955164. The cubic root of 12004417 is about 228.9709350805.

Adding to 12004417 its reverse (71440021), we get a palindrome (83444438).

It can be divided in two parts, 12004 and 417, that added together give a palindrome (12421).

The spelling of 12004417 in words is "twelve million, four thousand, four hundred seventeen".