11182813 has 4 divisors (see below), whose sum is σ = 11291488. Its totient is φ = 11074140.

The previous prime is 11182799. The next prime is 11182817. The reversal of 11182813 is 31828111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11182813 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 (11182817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54183 + ... + 54388.

It is an arithmetic number, because the mean of its divisors is an integer number (2822872).

Almost surely, 2^11182813 is an apocalyptic number.

It is an amenable number.

11182813 is a deficient number, since it is larger than the sum of its proper divisors (108675).

11182813 is a wasteful number, since it uses less digits than its factorization.

11182813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108674.

The product of its digits is 384, while the sum is 25.

The square root of 11182813 is about 3344.0713210098. The cubic root of 11182813 is about 223.6232839511.

The spelling of 11182813 in words is "eleven million, one hundred eighty-two thousand, eight hundred thirteen".