13913111 has 8 divisors (see below), whose sum is σ = 14688000. Its totient is φ = 13142520.

The previous prime is 13913093. The next prime is 13913113. The reversal of 13913111 is 11131931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13913111 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 (13913113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7340 + ... + 9038.

It is an arithmetic number, because the mean of its divisors is an integer number (1836000).

Almost surely, 2^13913111 is an apocalyptic number.

13913111 is a deficient number, since it is larger than the sum of its proper divisors (774889).

13913111 is a wasteful number, since it uses less digits than its factorization.

13913111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149.

The product of its digits is 81, while the sum is 20.

The square root of 13913111 is about 3730.0282840751. The cubic root of 13913111 is about 240.5145845470.

The spelling of 13913111 in words is "thirteen million, nine hundred thirteen thousand, one hundred eleven".