13879328 has 12 divisors (see below), whose sum is σ = 27324990. Its totient is φ = 6939648.

The previous prime is 13879321. The next prime is 13879331. The reversal of 13879328 is 82397831.

It can be written as a sum of positive squares in only one way, i.e., 13454224 + 425104 = 3668^2 + 652^2 .

It is not an unprimeable number, because it can be changed into a prime (13879321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216833 + ... + 216896.

Almost surely, 2^13879328 is an apocalyptic number.

It is an amenable number.

13879328 is a deficient number, since it is larger than the sum of its proper divisors (13445662).

13879328 is an equidigital number, since it uses as much as digits as its factorization.

13879328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433739 (or 433731 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 13879328 is about 3725.4970138225. The cubic root of 13879328 is about 240.3197589718.

The spelling of 13879328 in words is "thirteen million, eight hundred seventy-nine thousand, three hundred twenty-eight".