12469543 has 2 divisors, whose sum is σ = 12469544. Its totient is φ = 12469542.

The previous prime is 12469493. The next prime is 12469549. The reversal of 12469543 is 34596421.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (34596421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12469543 - 2²¹ = 10372391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12469499 and 12469508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12469549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6234771 + 6234772.

It is an arithmetic number, because the mean of its divisors is an integer number (6234772).

Almost surely, 2^12469543 is an apocalyptic number.

12469543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12469543 is an equidigital number, since it uses as much as digits as its factorization.

12469543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 12469543 is about 3531.2240087539. The cubic root of 12469543 is about 231.8907965544.

The spelling of 12469543 in words is "twelve million, four hundred sixty-nine thousand, five hundred forty-three".