12384643 has 2 divisors, whose sum is σ = 12384644. Its totient is φ = 12384642.

The previous prime is 12384623. The next prime is 12384661. The reversal of 12384643 is 34648321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12384643 - 2⁵ = 12384611 is a prime.

It is not a weakly prime, because it can be changed into another prime (12384613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6192321 + 6192322.

It is an arithmetic number, because the mean of its divisors is an integer number (6192322).

Almost surely, 2^12384643 is an apocalyptic number.

12384643 is a deficient number, since it is larger than the sum of its proper divisors (1).

12384643 is an equidigital number, since it uses as much as digits as its factorization.

12384643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 12384643 is about 3519.1821493069. The cubic root of 12384643 is about 231.3633145170.

The spelling of 12384643 in words is "twelve million, three hundred eighty-four thousand, six hundred forty-three".