12328559 has 2 divisors, whose sum is σ = 12328560. Its totient is φ = 12328558.

The previous prime is 12328543. The next prime is 12328583. The reversal of 12328559 is 95582321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12328559 - 2⁴ = 12328543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12328259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6164279 + 6164280.

It is an arithmetic number, because the mean of its divisors is an integer number (6164280).

Almost surely, 2^12328559 is an apocalyptic number.

12328559 is a deficient number, since it is larger than the sum of its proper divisors (1).

12328559 is an equidigital number, since it uses as much as digits as its factorization.

12328559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The square root of 12328559 is about 3511.2047789897. The cubic root of 12328559 is about 231.0135421807.

It can be divided in two parts, 123 and 28559, that added together give a palindrome (28682).

The spelling of 12328559 in words is "twelve million, three hundred twenty-eight thousand, five hundred fifty-nine".