13268543 has 4 divisors (see below), whose sum is σ = 13592208. Its totient is φ = 12944880.

The previous prime is 13268531. The next prime is 13268561. The reversal of 13268543 is 34586231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34586231 = 37 ⋅934763.

It is a cyclic number.

It is not a de Polignac number, because 13268543 - 2¹⁰ = 13267519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13268443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161771 + ... + 161852.

It is an arithmetic number, because the mean of its divisors is an integer number (3398052).

Almost surely, 2^13268543 is an apocalyptic number.

13268543 is a deficient number, since it is larger than the sum of its proper divisors (323665).

13268543 is an equidigital number, since it uses as much as digits as its factorization.

13268543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323664.

The product of its digits is 17280, while the sum is 32.

The square root of 13268543 is about 3642.6011310601. The cubic root of 13268543 is about 236.7415093146.

The spelling of 13268543 in words is "thirteen million, two hundred sixty-eight thousand, five hundred forty-three".