12017407 has 2 divisors, whose sum is σ = 12017408. Its totient is φ = 12017406.

The previous prime is 12017399. The next prime is 12017413. The reversal of 12017407 is 70471021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12017407 - 2³ = 12017399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12017497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6008703 + 6008704.

It is an arithmetic number, because the mean of its divisors is an integer number (6008704).

Almost surely, 2^12017407 is an apocalyptic number.

12017407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12017407 is an equidigital number, since it uses as much as digits as its factorization.

12017407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 12017407 is about 3466.6131886901. The cubic root of 12017407 is about 229.0534952539.

Adding to 12017407 its reverse (70471021), we get a palindrome (82488428).

The spelling of 12017407 in words is "twelve million, seventeen thousand, four hundred seven".