13224152 has 32 divisors (see below), whose sum is σ = 26281200. Its totient is φ = 6238080.

The previous prime is 13224151. The next prime is 13224157. The reversal of 13224152 is 25142231.

It is a super-2 number, since 2×13224152² = 349756392238208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54752 + ... + 54992.

Almost surely, 2^13224152 is an apocalyptic number.

It is an amenable number.

13224152 is a deficient number, since it is larger than the sum of its proper divisors (13057048).

13224152 is an equidigital number, since it uses as much as digits as its factorization.

13224152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 262 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 13224152 is about 3636.5027155222. The cubic root of 13224152 is about 236.4772016218.

Adding to 13224152 its reverse (25142231), we get a palindrome (38366383).

The spelling of 13224152 in words is "thirteen million, two hundred twenty-four thousand, one hundred fifty-two".