11943822 has 64 divisors (see below), whose sum is σ = 27535104. Its totient is φ = 3421440.

The previous prime is 11943821. The next prime is 11943823. The reversal of 11943822 is 22834911.

It is an interprime number because it is at equal distance from previous prime (11943821) and next prime (11943823).

It is a self number, because there is not a number n which added to its sum of digits gives 11943822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11943821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163578 + ... + 163650.

It is an arithmetic number, because the mean of its divisors is an integer number (430236).

Almost surely, 2^11943822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11943822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13767552).

11943822 is an abundant number, since it is smaller than the sum of its proper divisors (15591282).

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

11943822 is a wasteful number, since it uses less digits than its factorization.

11943822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193.

The product of its digits is 3456, while the sum is 30.

The square root of 11943822 is about 3455.9835069051. The cubic root of 11943822 is about 228.5850242285.

The spelling of 11943822 in words is "eleven million, nine hundred forty-three thousand, eight hundred twenty-two".