11343813 has 16 divisors (see below), whose sum is σ = 16388736. Its totient is φ = 6937920.

The previous prime is 11343797. The next prime is 11343821. The reversal of 11343813 is 31834311.

It is not a de Polignac number, because 11343813 - 2⁴ = 11343797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11343823) 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 15 ways as a sum of consecutive naturals, for example, 6256 + ... + 7862.

It is an arithmetic number, because the mean of its divisors is an integer number (1024296).

Almost surely, 2^11343813 is an apocalyptic number.

11343813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11343813 is a deficient number, since it is larger than the sum of its proper divisors (5044923).

11343813 is a wasteful number, since it uses less digits than its factorization.

11343813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804.

The product of its digits is 864, while the sum is 24.

The square root of 11343813 is about 3368.0577489111. The cubic root of 11343813 is about 224.6913496329.

The spelling of 11343813 in words is "eleven million, three hundred forty-three thousand, eight hundred thirteen".