13224843 has 16 divisors (see below), whose sum is σ = 19747200. Its totient is φ = 8746920.

The previous prime is 13224829. The next prime is 13224859. The reversal of 13224843 is 34842231.

It is not a de Polignac number, because 13224843 - 2⁹ = 13224331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13224803) 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 15 ways as a sum of consecutive naturals, for example, 1668 + ... + 5406.

It is an arithmetic number, because the mean of its divisors is an integer number (1234200).

Almost surely, 2^13224843 is an apocalyptic number.

13224843 is a deficient number, since it is larger than the sum of its proper divisors (6522357).

13224843 is a wasteful number, since it uses less digits than its factorization.

13224843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879 (or 3873 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 13224843 is about 3636.5977231473. The cubic root of 13224843 is about 236.4813204215.

The spelling of 13224843 in words is "thirteen million, two hundred twenty-four thousand, eight hundred forty-three".