12729383 has 2 divisors, whose sum is σ = 12729384. Its totient is φ = 12729382.

The previous prime is 12729361. The next prime is 12729389. The reversal of 12729383 is 38392721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12729383 - 2²⁰ = 11680807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12729389) 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, 6364691 + 6364692.

It is an arithmetic number, because the mean of its divisors is an integer number (6364692).

Almost surely, 2^12729383 is an apocalyptic number.

12729383 is a deficient number, since it is larger than the sum of its proper divisors (1).

12729383 is an equidigital number, since it uses as much as digits as its factorization.

12729383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 12729383 is about 3567.8260888109. The cubic root of 12729383 is about 233.4904476985.

The spelling of 12729383 in words is "twelve million, seven hundred twenty-nine thousand, three hundred eighty-three".