13891112 has 8 divisors (see below), whose sum is σ = 26045850. Its totient is φ = 6945552.

The previous prime is 13891099. The next prime is 13891127. The reversal of 13891112 is 21119831.

It can be written as a sum of positive squares in only one way, i.e., 11115556 + 2775556 = 3334^2 + 1666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 868187 + ... + 868202.

Almost surely, 2^13891112 is an apocalyptic number.

It is an amenable number.

13891112 is a deficient number, since it is larger than the sum of its proper divisors (12154738).

13891112 is a wasteful number, since it uses less digits than its factorization.

13891112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736395 (or 1736391 counting only the distinct ones).

The product of its digits is 432, while the sum is 26.

The square root of 13891112 is about 3727.0782122193. The cubic root of 13891112 is about 240.3877528245.

The spelling of 13891112 in words is "thirteen million, eight hundred ninety-one thousand, one hundred twelve".