11821094 has 4 divisors (see below), whose sum is σ = 17731644. Its totient is φ = 5910546.

The previous prime is 11821081. The next prime is 11821123. The reversal of 11821094 is 49012811.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2955272 + ... + 2955275.

It is an arithmetic number, because the mean of its divisors is an integer number (4432911).

Almost surely, 2^11821094 is an apocalyptic number.

11821094 is a deficient number, since it is larger than the sum of its proper divisors (5910550).

11821094 is an equidigital number, since it uses as much as digits as its factorization.

11821094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910549.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 11821094 is about 3438.1817869333. The cubic root of 11821094 is about 227.7993900748.

It can be divided in two parts, 118 and 21094, that added together give a palindrome (21212).

The spelling of 11821094 in words is "eleven million, eight hundred twenty-one thousand, ninety-four".