13111113 has 8 divisors (see below), whose sum is σ = 17654976. Its totient is φ = 8654000.

The previous prime is 13111093. The next prime is 13111117. The reversal of 13111113 is 31111131.

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

It is a cyclic number.

It is not a de Polignac number, because 13111113 - 2¹⁰ = 13110089 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13111117) 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, 21333 + ... + 21938.

It is an arithmetic number, because the mean of its divisors is an integer number (2206872).

Almost surely, 2^13111113 is an apocalyptic number.

It is an amenable number.

13111113 is a deficient number, since it is larger than the sum of its proper divisors (4543863).

13111113 is a wasteful number, since it uses less digits than its factorization.

13111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43375.

The product of its digits is 9, while the sum is 12.

The square root of 13111113 is about 3620.9270912295. The cubic root of 13111113 is about 235.8014764940.

Adding to 13111113 its reverse (31111131), we get a palindrome (44222244).

The spelling of 13111113 in words is "thirteen million, one hundred eleven thousand, one hundred thirteen".