13224347 has 2 divisors, whose sum is σ = 13224348. Its totient is φ = 13224346.

The previous prime is 13224331. The next prime is 13224391. The reversal of 13224347 is 74342231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13224347 - 2⁴ = 13224331 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13224647) 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 as a sum of consecutive naturals, namely, 6612173 + 6612174.

It is an arithmetic number, because the mean of its divisors is an integer number (6612174).

Almost surely, 2^13224347 is an apocalyptic number.

13224347 is a deficient number, since it is larger than the sum of its proper divisors (1).

13224347 is an equidigital number, since it uses as much as digits as its factorization.

13224347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 26.

The square root of 13224347 is about 3636.5295268979. The cubic root of 13224347 is about 236.4783639604.

Adding to 13224347 its reverse (74342231), we get a palindrome (87566578).

The spelling of 13224347 in words is "thirteen million, two hundred twenty-four thousand, three hundred forty-seven".