13434243 has 4 divisors (see below), whose sum is σ = 17912328. Its totient is φ = 8956160.

The previous prime is 13434229. The next prime is 13434247. The reversal of 13434243 is 34243431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13434243 - 2¹⁸ = 13172099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13434247) 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, 2239038 + ... + 2239043.

It is an arithmetic number, because the mean of its divisors is an integer number (4478082).

Almost surely, 2^13434243 is an apocalyptic number.

13434243 is a deficient number, since it is larger than the sum of its proper divisors (4478085).

13434243 is an equidigital number, since it uses as much as digits as its factorization.

13434243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478084.

The product of its digits is 3456, while the sum is 24.

The square root of 13434243 is about 3665.2752966182. The cubic root of 13434243 is about 237.7229256842.

Adding to 13434243 its reverse (34243431), we get a palindrome (47677674).

The spelling of 13434243 in words is "thirteen million, four hundred thirty-four thousand, two hundred forty-three".