11143684 has 24 divisors (see below), whose sum is σ = 20704320. Its totient is φ = 5236704.

The previous prime is 11143679. The next prime is 11143723. The reversal of 11143684 is 48634111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4402 + ... + 6454.

It is an arithmetic number, because the mean of its divisors is an integer number (862680).

Almost surely, 2^11143684 is an apocalyptic number.

It is an amenable number.

11143684 is a deficient number, since it is larger than the sum of its proper divisors (9560636).

11143684 is a wasteful number, since it uses less digits than its factorization.

11143684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139 (or 2137 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 11143684 is about 3338.2156910541. The cubic root of 11143684 is about 223.3621576123.

Adding to 11143684 its reverse (48634111), we get a palindrome (59777795).

The spelling of 11143684 in words is "eleven million, one hundred forty-three thousand, six hundred eighty-four".