12133543 has 2 divisors, whose sum is σ = 12133544. Its totient is φ = 12133542.

The previous prime is 12133523. The next prime is 12133547. The reversal of 12133543 is 34533121.

12133543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12133543 - 2⁹ = 12133031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12133547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066771 + 6066772.

It is an arithmetic number, because the mean of its divisors is an integer number (6066772).

Almost surely, 2^12133543 is an apocalyptic number.

12133543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133543 is an equidigital number, since it uses as much as digits as its factorization.

12133543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 22.

The square root of 12133543 is about 3483.3235566051. The cubic root of 12133543 is about 229.7889873107.

Adding to 12133543 its reverse (34533121), we get a palindrome (46666664).

The spelling of 12133543 in words is "twelve million, one hundred thirty-three thousand, five hundred forty-three".