13336243 has 4 divisors (see below), whose sum is σ = 13696720. Its totient is φ = 12975768.

The previous prime is 13336241. The next prime is 13336249. The reversal of 13336243 is 34263331.

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 13336243 - 2¹ = 13336241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13336241) 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, 180183 + ... + 180256.

It is an arithmetic number, because the mean of its divisors is an integer number (3424180).

Almost surely, 2^13336243 is an apocalyptic number.

13336243 is a deficient number, since it is larger than the sum of its proper divisors (360477).

13336243 is an equidigital number, since it uses as much as digits as its factorization.

13336243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360476.

The product of its digits is 3888, while the sum is 25.

The square root of 13336243 is about 3651.8821174841. The cubic root of 13336243 is about 237.1434680012.

Adding to 13336243 its reverse (34263331), we get a palindrome (47599574).

The spelling of 13336243 in words is "thirteen million, three hundred thirty-six thousand, two hundred forty-three".