13891119 has 16 divisors (see below), whose sum is σ = 20269440. Its totient is φ = 8392160.

The previous prime is 13891099. The next prime is 13891127. The reversal of 13891119 is 91119831.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13891119 - 2¹⁶ = 13825583 is a prime.

It is a super-2 number, since 2×13891119² = 385926374144322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 13891119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13891519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16384 + ... + 17210.

It is an arithmetic number, because the mean of its divisors is an integer number (1266840).

Almost surely, 2^13891119 is an apocalyptic number.

13891119 is a deficient number, since it is larger than the sum of its proper divisors (6378321).

13891119 is a wasteful number, since it uses less digits than its factorization.

13891119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350.

The product of its digits is 1944, while the sum is 33.

The square root of 13891119 is about 3727.0791512926. The cubic root of 13891119 is about 240.3877932032.

The spelling of 13891119 in words is "thirteen million, eight hundred ninety-one thousand, one hundred nineteen".