13801328 has 10 divisors (see below), whose sum is σ = 26740104. Its totient is φ = 6900656.

The previous prime is 13801327. The next prime is 13801351. The reversal of 13801328 is 82310831.

13801328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13801297 and 13801306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13801327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431276 + ... + 431307.

Almost surely, 2^13801328 is an apocalyptic number.

It is an amenable number.

13801328 is a deficient number, since it is larger than the sum of its proper divisors (12938776).

13801328 is an equidigital number, since it uses as much as digits as its factorization.

13801328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862591 (or 862585 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 13801328 is about 3715.0138626928. The cubic root of 13801328 is about 239.8687245042.

The spelling of 13801328 in words is "thirteen million, eight hundred one thousand, three hundred twenty-eight".