13816039 has 4 divisors (see below), whose sum is σ = 13917024. Its totient is φ = 13715056.

The previous prime is 13816037. The next prime is 13816051. The reversal of 13816039 is 93061831.

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 13816039 - 2¹ = 13816037 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13816039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13816037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50287 + ... + 50560.

It is an arithmetic number, because the mean of its divisors is an integer number (3479256).

Almost surely, 2^13816039 is an apocalyptic number.

13816039 is a deficient number, since it is larger than the sum of its proper divisors (100985).

13816039 is a wasteful number, since it uses less digits than its factorization.

13816039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100984.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 13816039 is about 3716.9932741397. The cubic root of 13816039 is about 239.9539205516.

The spelling of 13816039 in words is "thirteen million, eight hundred sixteen thousand, thirty-nine".