11821084 has 12 divisors (see below), whose sum is σ = 22567608. Its totient is φ = 5373200.

The previous prime is 11821081. The next prime is 11821123. The reversal of 11821084 is 48012811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11821081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134287 + ... + 134374.

It is an arithmetic number, because the mean of its divisors is an integer number (1880634).

Almost surely, 2^11821084 is an apocalyptic number.

It is an amenable number.

11821084 is a deficient number, since it is larger than the sum of its proper divisors (10746524).

11821084 is a wasteful number, since it uses less digits than its factorization.

11821084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268676 (or 268674 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 11821084 is about 3438.1803326760. The cubic root of 11821084 is about 227.7993258395.

Adding to 11821084 its reverse (48012811), we get a palindrome (59833895).

The spelling of 11821084 in words is "eleven million, eight hundred twenty-one thousand, eighty-four".