13916885 has 4 divisors (see below), whose sum is σ = 16700268. Its totient is φ = 11133504.

The previous prime is 13916879. The next prime is 13916887. The reversal of 13916885 is 58861931.

13916885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7409284 + 6507601 = 2722^2 + 2551^2 .

It is a cyclic number.

It is not a de Polignac number, because 13916885 - 2⁴ = 13916869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13916887) 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, 1391684 + ... + 1391693.

It is an arithmetic number, because the mean of its divisors is an integer number (4175067).

Almost surely, 2^13916885 is an apocalyptic number.

It is an amenable number.

13916885 is a deficient number, since it is larger than the sum of its proper divisors (2783383).

13916885 is an equidigital number, since it uses as much as digits as its factorization.

13916885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783382.

The product of its digits is 51840, while the sum is 41.

The square root of 13916885 is about 3730.5341440603. The cubic root of 13916885 is about 240.5363295035.

The spelling of 13916885 in words is "thirteen million, nine hundred sixteen thousand, eight hundred eighty-five".