13380328 has 16 divisors (see below), whose sum is σ = 27018180. Its totient is φ = 6175488.

The previous prime is 13380317. The next prime is 13380331. The reversal of 13380328 is 82308331.

It can be written as a sum of positive squares in 2 ways, for example, as 12376324 + 1004004 = 3518^2 + 1002^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13380296 and 13380305.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 64225 + ... + 64432.

Almost surely, 2^13380328 is an apocalyptic number.

It is an amenable number.

13380328 is an abundant number, since it is smaller than the sum of its proper divisors (13637852).

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

13380328 is a wasteful number, since it uses less digits than its factorization.

13380328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128676 (or 128672 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 13380328 is about 3657.9130662169. The cubic root of 13380328 is about 237.4044853227.

Adding to 13380328 its reverse (82308331), we get a palindrome (95688659).

The spelling of 13380328 in words is "thirteen million, three hundred eighty thousand, three hundred twenty-eight".