11282813 has 4 divisors (see below), whose sum is σ = 11545248. Its totient is φ = 11020380.

The previous prime is 11282809. The next prime is 11282819. The reversal of 11282813 is 31828211.

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 not a de Polignac number, because 11282813 - 2² = 11282809 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 (11282819) 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, 131153 + ... + 131238.

It is an arithmetic number, because the mean of its divisors is an integer number (2886312).

Almost surely, 2^11282813 is an apocalyptic number.

It is an amenable number.

11282813 is a deficient number, since it is larger than the sum of its proper divisors (262435).

11282813 is an equidigital number, since it uses as much as digits as its factorization.

11282813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262434.

The product of its digits is 768, while the sum is 26.

The square root of 11282813 is about 3358.9898779246. The cubic root of 11282813 is about 224.2878752528.

The spelling of 11282813 in words is "eleven million, two hundred eighty-two thousand, eight hundred thirteen".