13889024 has 20 divisors (see below), whose sum is σ = 27751944. Its totient is φ = 6944256.

The previous prime is 13888997. The next prime is 13889027. The reversal of 13889024 is 42098831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13889027) 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 as a sum of consecutive naturals, namely, 13052 + ... + 14075.

Almost surely, 2^13889024 is an apocalyptic number.

It is an amenable number.

13889024 is a deficient number, since it is larger than the sum of its proper divisors (13862920).

13889024 is an frugal number, since it uses more digits than its factorization.

13889024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27145 (or 27129 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 13889024 is about 3726.7980895133. The cubic root of 13889024 is about 240.3757078378.

The spelling of 13889024 in words is "thirteen million, eight hundred eighty-nine thousand, twenty-four".