13229328 has 40 divisors (see below), whose sum is σ = 39059008. Its totient is φ = 3779712.

The previous prime is 13229323. The next prime is 13229329. The reversal of 13229328 is 82392231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13229295 and 13229304.

It is not an unprimeable number, because it can be changed into a prime (13229323) 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, 19351 + ... + 20022.

Almost surely, 2^13229328 is an apocalyptic number.

It is an amenable number.

13229328 is an abundant number, since it is smaller than the sum of its proper divisors (25829680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13229328 is a wasteful number, since it uses less digits than its factorization.

13229328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39391 (or 39385 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 13229328 is about 3637.2143186785. The cubic root of 13229328 is about 236.5080503884.

The spelling of 13229328 in words is "thirteen million, two hundred twenty-nine thousand, three hundred twenty-eight".