13886144 has 28 divisors (see below), whose sum is σ = 29178504. Its totient is φ = 6534144.

The previous prime is 13886143. The next prime is 13886153. The reversal of 13886144 is 44168831.

It is not an unprimeable number, because it can be changed into a prime (13886141) by changing a digit.

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, 5294 + ... + 7469.

Almost surely, 2^13886144 is an apocalyptic number.

It is an amenable number.

13886144 is an abundant number, since it is smaller than the sum of its proper divisors (15292360).

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

13886144 is a wasteful number, since it uses less digits than its factorization.

13886144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12792 (or 12782 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 13886144 is about 3726.4116788138. The cubic root of 13886144 is about 240.3590920820.

The spelling of 13886144 in words is "thirteen million, eight hundred eighty-six thousand, one hundred forty-four".