13889208 has 32 divisors (see below), whose sum is σ = 35663760. Its totient is φ = 4504320.

The previous prime is 13889203. The next prime is 13889219. The reversal of 13889208 is 80298831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13889203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6933 + ... + 8708.

Almost surely, 2^13889208 is an apocalyptic number.

It is an amenable number.

13889208 is an abundant number, since it is smaller than the sum of its proper divisors (21774552).

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

13889208 is a wasteful number, since it uses less digits than its factorization.

13889208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15687 (or 15683 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 13889208 is about 3726.8227755019. The cubic root of 13889208 is about 240.3767693219.

The spelling of 13889208 in words is "thirteen million, eight hundred eighty-nine thousand, two hundred eight".