13118101 has 4 divisors (see below), whose sum is σ = 13889772. Its totient is φ = 12346432.

The previous prime is 13118089. The next prime is 13118107. The reversal of 13118101 is 10181131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10181131 = 19 ⋅535849.

It can be written as a sum of positive squares in 2 ways, for example, as 6100900 + 7017201 = 2470^2 + 2649^2 .

It is a cyclic number.

It is not a de Polignac number, because 13118101 - 2⁵ = 13118069 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 (13118107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385810 + ... + 385843.

It is an arithmetic number, because the mean of its divisors is an integer number (3472443).

Almost surely, 2^13118101 is an apocalyptic number.

It is an amenable number.

13118101 is a deficient number, since it is larger than the sum of its proper divisors (771671).

13118101 is an equidigital number, since it uses as much as digits as its factorization.

13118101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771670.

The product of its (nonzero) digits is 24, while the sum is 16.

The square root of 13118101 is about 3621.8919089338. The cubic root of 13118101 is about 235.8433617775.

Adding to 13118101 its reverse (10181131), we get a palindrome (23299232).

The spelling of 13118101 in words is "thirteen million, one hundred eighteen thousand, one hundred one".