13888339 has 4 divisors (see below), whose sum is σ = 13997824. Its totient is φ = 13778856.

The previous prime is 13888331. The next prime is 13888351. The reversal of 13888339 is 93388831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13888339 - 2³ = 13888331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13888295 and 13888304.

It is not an unprimeable number, because it can be changed into a prime (13888331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54552 + ... + 54805.

It is an arithmetic number, because the mean of its divisors is an integer number (3499456).

Almost surely, 2^13888339 is an apocalyptic number.

13888339 is a deficient number, since it is larger than the sum of its proper divisors (109485).

13888339 is a wasteful number, since it uses less digits than its factorization.

13888339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109484.

The product of its digits is 124416, while the sum is 43.

The square root of 13888339 is about 3726.7061864333. The cubic root of 13888339 is about 240.3717560346.

The spelling of 13888339 in words is "thirteen million, eight hundred eighty-eight thousand, three hundred thirty-nine".