13888528 has 10 divisors (see below), whose sum is σ = 26909054. Its totient is φ = 6944256.

The previous prime is 13888519. The next prime is 13888531. The reversal of 13888528 is 82588831.

It can be written as a sum of positive squares in only one way, i.e., 11614464 + 2274064 = 3408^2 + 1508^2 .

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 as a sum of consecutive naturals, namely, 434001 + ... + 434032.

Almost surely, 2^13888528 is an apocalyptic number.

It is an amenable number.

13888528 is a deficient number, since it is larger than the sum of its proper divisors (13020526).

13888528 is an equidigital number, since it uses as much as digits as its factorization.

13888528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868041 (or 868035 counting only the distinct ones).

The product of its digits is 122880, while the sum is 43.

The square root of 13888528 is about 3726.7315438598. The cubic root of 13888528 is about 240.3728463992.

The spelling of 13888528 in words is "thirteen million, eight hundred eighty-eight thousand, five hundred twenty-eight".