13885791 has 8 divisors (see below), whose sum is σ = 18531840. Its totient is φ = 9248472.

The previous prime is 13885747. The next prime is 13885793. The reversal of 13885791 is 19758831.

13885791 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13885791 - 2⁹ = 13885279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13885793) 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, 4200 + ... + 6738.

It is an arithmetic number, because the mean of its divisors is an integer number (2316480).

Almost surely, 2^13885791 is an apocalyptic number.

13885791 is a deficient number, since it is larger than the sum of its proper divisors (4646049).

13885791 is a wasteful number, since it uses less digits than its factorization.

13885791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4365.

The product of its digits is 60480, while the sum is 42.

The square root of 13885791 is about 3726.3643139124. The cubic root of 13885791 is about 240.3570553400.

The spelling of 13885791 in words is "thirteen million, eight hundred eighty-five thousand, seven hundred ninety-one".