11821794 has 16 divisors (see below), whose sum is σ = 23764800. Its totient is φ = 3920400.

The previous prime is 11821787. The next prime is 11821841. The reversal of 11821794 is 49712811.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3757 + ... + 6144.

It is an arithmetic number, because the mean of its divisors is an integer number (1485300).

Almost surely, 2^11821794 is an apocalyptic number.

11821794 is an abundant number, since it is smaller than the sum of its proper divisors (11943006).

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

11821794 is a wasteful number, since it uses less digits than its factorization.

11821794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105.

The product of its digits is 4032, while the sum is 33.

The square root of 11821794 is about 3438.2835834177. The cubic root of 11821794 is about 227.8038864557.

It can be divided in two parts, 118 and 21794, that added together give a palindrome (21912).

The spelling of 11821794 in words is "eleven million, eight hundred twenty-one thousand, seven hundred ninety-four".