13320128 has 28 divisors (see below), whose sum is σ = 27584400. Its totient is φ = 6369792.

The previous prime is 13320113. The next prime is 13320157. The reversal of 13320128 is 82102331.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3053 + ... + 5996.

Almost surely, 2^13320128 is an apocalyptic number.

It is an amenable number.

13320128 is an abundant number, since it is smaller than the sum of its proper divisors (14264272).

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

13320128 is an equidigital number, since it uses as much as digits as its factorization.

13320128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9084 (or 9074 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13320128 is about 3649.6750540288. The cubic root of 13320128 is about 237.0479111717.

Adding to 13320128 its reverse (82102331), we get a palindrome (95422459).

The spelling of 13320128 in words is "thirteen million, three hundred twenty thousand, one hundred twenty-eight".