11420113 has 4 divisors (see below), whose sum is σ = 11813940. Its totient is φ = 11026288.

The previous prime is 11420111. The next prime is 11420131. The reversal of 11420113 is 31102411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31102411 = 19 ⋅1636969.

It can be written as a sum of positive squares in 2 ways, for example, as 5234944 + 6185169 = 2288^2 + 2487^2 .

It is a cyclic number.

It is not a de Polignac number, because 11420113 - 2¹ = 11420111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11420093 and 11420102.

It is not an unprimeable number, because it can be changed into a prime (11420111) 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, 196870 + ... + 196927.

It is an arithmetic number, because the mean of its divisors is an integer number (2953485).

Almost surely, 2^11420113 is an apocalyptic number.

It is an amenable number.

11420113 is a deficient number, since it is larger than the sum of its proper divisors (393827).

11420113 is an equidigital number, since it uses as much as digits as its factorization.

11420113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393826.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11420113 is about 3379.3657688981. The cubic root of 11420113 is about 225.1939923648.

Adding to 11420113 its reverse (31102411), we get a palindrome (42522524).

The spelling of 11420113 in words is "eleven million, four hundred twenty thousand, one hundred thirteen".