13243233 has 4 divisors (see below), whose sum is σ = 17657648. Its totient is φ = 8828820.

The previous prime is 13243213. The next prime is 13243253. The reversal of 13243233 is 33234231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (13243213) and next prime (13243253).

It is not a de Polignac number, because 13243233 - 2⁵ = 13243201 is a prime.

It is a super-3 number, since 3×13243233³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13243213) 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, 2207203 + ... + 2207208.

It is an arithmetic number, because the mean of its divisors is an integer number (4414412).

Almost surely, 2^13243233 is an apocalyptic number.

It is an amenable number.

13243233 is a deficient number, since it is larger than the sum of its proper divisors (4414415).

13243233 is an equidigital number, since it uses as much as digits as its factorization.

13243233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414414.

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

The square root of 13243233 is about 3639.1253069934. The cubic root of 13243233 is about 236.5908838453.

Adding to 13243233 its reverse (33234231), we get a palindrome (46477464).

It can be divided in two parts, 132 and 43233, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 13243233 in words is "thirteen million, two hundred forty-three thousand, two hundred thirty-three".