13963839 has 8 divisors (see below), whose sum is σ = 18673200. Its totient is φ = 9281856.

The previous prime is 13963823. The next prime is 13963843. The reversal of 13963839 is 93836931.

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

It is not a de Polignac number, because 13963839 - 2⁴ = 13963823 is a prime.

13963839 is a modest number, since divided by 3839 gives 1396 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 13963839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13963849) 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 7 ways as a sum of consecutive naturals, for example, 5622 + ... + 7715.

It is an arithmetic number, because the mean of its divisors is an integer number (2334150).

Almost surely, 2^13963839 is an apocalyptic number.

13963839 is a deficient number, since it is larger than the sum of its proper divisors (4709361).

13963839 is a wasteful number, since it uses less digits than its factorization.

13963839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13689.

The product of its digits is 104976, while the sum is 42.

The square root of 13963839 is about 3736.8220455355. The cubic root of 13963839 is about 240.8065399912.

The spelling of 13963839 in words is "thirteen million, nine hundred sixty-three thousand, eight hundred thirty-nine".