13353243 has 4 divisors (see below), whose sum is σ = 17804328. Its totient is φ = 8902160.

The previous prime is 13353227. The next prime is 13353247. The reversal of 13353243 is 34235331.

It is a happy number.

13353243 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 13353243 - 2⁴ = 13353227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13353247) 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, 2225538 + ... + 2225543.

It is an arithmetic number, because the mean of its divisors is an integer number (4451082).

Almost surely, 2^13353243 is an apocalyptic number.

13353243 is a deficient number, since it is larger than the sum of its proper divisors (4451085).

13353243 is an equidigital number, since it uses as much as digits as its factorization.

13353243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451084.

The product of its digits is 3240, while the sum is 24.

The square root of 13353243 is about 3654.2089431230. The cubic root of 13353243 is about 237.2441892009.

Adding to 13353243 its reverse (34235331), we get a palindrome (47588574).

The spelling of 13353243 in words is "thirteen million, three hundred fifty-three thousand, two hundred forty-three".