13893111 has 12 divisors (see below), whose sum is σ = 20186088. Its totient is φ = 9207504.

The previous prime is 13893109. The next prime is 13893133. The reversal of 13893111 is 11139831.

It is a happy number.

It is not a de Polignac number, because 13893111 - 2¹ = 13893109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13893511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2905 + ... + 6018.

It is an arithmetic number, because the mean of its divisors is an integer number (1682174).

Almost surely, 2^13893111 is an apocalyptic number.

13893111 is a deficient number, since it is larger than the sum of its proper divisors (6292977).

13893111 is a wasteful number, since it uses less digits than its factorization.

13893111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9102 (or 9099 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 13893111 is about 3727.3463751039. The cubic root of 13893111 is about 240.3992832686.

The spelling of 13893111 in words is "thirteen million, eight hundred ninety-three thousand, one hundred eleven".