13401328 has 10 divisors (see below), whose sum is σ = 25965104. Its totient is φ = 6700656.

The previous prime is 13401317. The next prime is 13401329. The reversal of 13401328 is 82310431.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 13401299 and 13401308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13401329) by changing a digit.

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 as a sum of consecutive naturals, namely, 418776 + ... + 418807.

Almost surely, 2^13401328 is an apocalyptic number.

It is an amenable number.

13401328 is a deficient number, since it is larger than the sum of its proper divisors (12563776).

13401328 is an equidigital number, since it uses as much as digits as its factorization.

13401328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837591 (or 837585 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 13401328 is about 3660.7824300278. The cubic root of 13401328 is about 237.5286200044.

Adding to 13401328 its reverse (82310431), we get a palindrome (95711759).

The spelling of 13401328 in words is "thirteen million, four hundred one thousand, three hundred twenty-eight".