13191113 has 8 divisors (see below), whose sum is σ = 14280000. Its totient is φ = 12112848.

The previous prime is 13191103. The next prime is 13191169. The reversal of 13191113 is 31119131.

13191113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13191113 - 2⁴ = 13191097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13191103) 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, 38 + ... + 5136.

It is an arithmetic number, because the mean of its divisors is an integer number (1785000).

Almost surely, 2^13191113 is an apocalyptic number.

13191113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13191113 is a deficient number, since it is larger than the sum of its proper divisors (1088887).

13191113 is a wasteful number, since it uses less digits than its factorization.

13191113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5311.

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

The square root of 13191113 is about 3631.9571858710. The cubic root of 13191113 is about 236.2801004918.

The spelling of 13191113 in words is "thirteen million, one hundred ninety-one thousand, one hundred thirteen".