12383993 has 2 divisors, whose sum is σ = 12383994. Its totient is φ = 12383992.

The previous prime is 12383989. The next prime is 12384017. The reversal of 12383993 is 39938321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9684544 + 2699449 = 3112^2 + 1643^2 .

It is a cyclic number.

It is not a de Polignac number, because 12383993 - 2² = 12383989 is a prime.

It is a super-3 number, since 3×12383993³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12388993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6191996 + 6191997.

It is an arithmetic number, because the mean of its divisors is an integer number (6191997).

Almost surely, 2^12383993 is an apocalyptic number.

It is an amenable number.

12383993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12383993 is an equidigital number, since it uses as much as digits as its factorization.

12383993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 12383993 is about 3519.0897970924. The cubic root of 12383993 is about 231.3592667947.

The spelling of 12383993 in words is "twelve million, three hundred eighty-three thousand, nine hundred ninety-three".