13224733 has 4 divisors (see below), whose sum is σ = 13238368. Its totient is φ = 13211100.

The previous prime is 13224727. The next prime is 13224737. The reversal of 13224733 is 33742231.

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 a cyclic number.

It is not a de Polignac number, because 13224733 - 2⁹ = 13224221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13224698 and 13224707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5241 + ... + 7342.

It is an arithmetic number, because the mean of its divisors is an integer number (3309592).

Almost surely, 2^13224733 is an apocalyptic number.

It is an amenable number.

13224733 is a deficient number, since it is larger than the sum of its proper divisors (13635).

13224733 is a wasteful number, since it uses less digits than its factorization.

13224733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13634.

The product of its digits is 3024, while the sum is 25.

The square root of 13224733 is about 3636.5825990894. The cubic root of 13224733 is about 236.4806647611.

Adding to 13224733 its reverse (33742231), we get a palindrome (46966964).

The spelling of 13224733 in words is "thirteen million, two hundred twenty-four thousand, seven hundred thirty-three".