13412543 has 2 divisors, whose sum is σ = 13412544. Its totient is φ = 13412542.

The previous prime is 13412521. The next prime is 13412549. The reversal of 13412543 is 34521431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13412543 - 2¹⁸ = 13150399 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13412549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6706271 + 6706272.

It is an arithmetic number, because the mean of its divisors is an integer number (6706272).

Almost surely, 2^13412543 is an apocalyptic number.

13412543 is a deficient number, since it is larger than the sum of its proper divisors (1).

13412543 is an equidigital number, since it uses as much as digits as its factorization.

13412543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 13412543 is about 3662.3138860562. The cubic root of 13412543 is about 237.5948607213.

Adding to 13412543 its reverse (34521431), we get a palindrome (47933974).

The spelling of 13412543 in words is "thirteen million, four hundred twelve thousand, five hundred forty-three".