13233243 has 4 divisors (see below), whose sum is σ = 17644328. Its totient is φ = 8822160.

The previous prime is 13233239. The next prime is 13233263. The reversal of 13233243 is 34233231.

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

It is not a de Polignac number, because 13233243 - 2² = 13233239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13233203) 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, 2205538 + ... + 2205543.

It is an arithmetic number, because the mean of its divisors is an integer number (4411082).

Almost surely, 2^13233243 is an apocalyptic number.

13233243 is a deficient number, since it is larger than the sum of its proper divisors (4411085).

13233243 is an equidigital number, since it uses as much as digits as its factorization.

13233243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411084.

The product of its digits is 1296, while the sum is 21.

The square root of 13233243 is about 3637.7524654655. The cubic root of 13233243 is about 236.5313782978.

Adding to 13233243 its reverse (34233231), we get a palindrome (47466474).

The spelling of 13233243 in words is "thirteen million, two hundred thirty-three thousand, two hundred forty-three".