11113013 has 4 divisors (see below), whose sum is σ = 11128908. Its totient is φ = 11097120.

The previous prime is 11113007. The next prime is 11113021. The reversal of 11113013 is 31031111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31031111 = 281 ⋅110431.

It can be written as a sum of positive squares in 2 ways, for example, as 9102289 + 2010724 = 3017^2 + 1418^2 .

It is a cyclic number.

It is not a de Polignac number, because 11113013 - 2⁶ = 11112949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112985 and 11113003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113073) 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 3 ways as a sum of consecutive naturals, for example, 6848 + ... + 8313.

It is an arithmetic number, because the mean of its divisors is an integer number (2782227).

Almost surely, 2^11113013 is an apocalyptic number.

It is an amenable number.

11113013 is a deficient number, since it is larger than the sum of its proper divisors (15895).

11113013 is an equidigital number, since it uses as much as digits as its factorization.

11113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15894.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 11113013 is about 3333.6186044597. The cubic root of 11113013 is about 223.1570478386.

Adding to 11113013 its reverse (31031111), we get a palindrome (42144124).

The spelling of 11113013 in words is "eleven million, one hundred thirteen thousand, thirteen".