13888039 has 8 divisors (see below), whose sum is σ = 15286032. Its totient is φ = 12512640.

The previous prime is 13888037. The next prime is 13888057. The reversal of 13888039 is 93088831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13888039 - 2¹ = 13888037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13887992 and 13888010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13888033) 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, 4344 + ... + 6829.

It is an arithmetic number, because the mean of its divisors is an integer number (1910754).

Almost surely, 2^13888039 is an apocalyptic number.

13888039 is a deficient number, since it is larger than the sum of its proper divisors (1397993).

13888039 is a wasteful number, since it uses less digits than its factorization.

13888039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11297.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 13888039 is about 3726.6659361955. The cubic root of 13888039 is about 240.3700252770.

The spelling of 13888039 in words is "thirteen million, eight hundred eighty-eight thousand, thirty-nine".