13224345 has 16 divisors (see below), whose sum is σ = 21676032. Its totient is φ = 6880640.

The previous prime is 13224331. The next prime is 13224347. The reversal of 13224345 is 54342231.

13224345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13224345 - 2⁵ = 13224313 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13224347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10137 + ... + 11366.

It is an arithmetic number, because the mean of its divisors is an integer number (1354752).

Almost surely, 2^13224345 is an apocalyptic number.

13224345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13224345 is a deficient number, since it is larger than the sum of its proper divisors (8451687).

13224345 is a wasteful number, since it uses less digits than its factorization.

13224345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21552.

The product of its digits is 2880, while the sum is 24.

The square root of 13224345 is about 3636.5292519104. The cubic root of 13224345 is about 236.4783520391.

Adding to 13224345 its reverse (54342231), we get a palindrome (67566576).

The spelling of 13224345 in words is "thirteen million, two hundred twenty-four thousand, three hundred forty-five".