11843118 has 128 divisors (see below), whose sum is σ = 33868800. Its totient is φ = 2985984.

The previous prime is 11843113. The next prime is 11843149. The reversal of 11843118 is 81134811.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11843091 and 11843100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11843113) 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 63 ways as a sum of consecutive naturals, for example, 122046 + ... + 122142.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

Almost surely, 2^11843118 is an apocalyptic number.

11843118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11843118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16934400).

11843118 is an abundant number, since it is smaller than the sum of its proper divisors (22025682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11843118 is a wasteful number, since it uses less digits than its factorization.

11843118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 145 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 11843118 is about 3441.3831521643. The cubic root of 11843118 is about 227.9407740903.

Adding to 11843118 its reverse (81134811), we get a palindrome (92977929).

The spelling of 11843118 in words is "eleven million, eight hundred forty-three thousand, one hundred eighteen".