12382543 has 2 divisors, whose sum is σ = 12382544. Its totient is φ = 12382542.

The previous prime is 12382541. The next prime is 12382561. The reversal of 12382543 is 34528321.

It is a weak prime.

It is an emirp because it is prime and its reverse (34528321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12382543 - 2¹ = 12382541 is a prime.

It is a super-2 number, since 2×12382543² = 306654742293698, which contains 22 as substring.

Together with 12382541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12382541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6191271 + 6191272.

It is an arithmetic number, because the mean of its divisors is an integer number (6191272).

Almost surely, 2^12382543 is an apocalyptic number.

12382543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12382543 is an equidigital number, since it uses as much as digits as its factorization.

12382543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 12382543 is about 3518.8837718799. The cubic root of 12382543 is about 231.3502367500.

The spelling of 12382543 in words is "twelve million, three hundred eighty-two thousand, five hundred forty-three".