11143814 has 8 divisors (see below), whose sum is σ = 18235368. Its totient is φ = 5065360.

The previous prime is 11143733. The next prime is 11143817. The reversal of 11143814 is 41834111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11143814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143817) 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, 253247 + ... + 253290.

It is an arithmetic number, because the mean of its divisors is an integer number (2279421).

Almost surely, 2^11143814 is an apocalyptic number.

11143814 is a deficient number, since it is larger than the sum of its proper divisors (7091554).

11143814 is a wasteful number, since it uses less digits than its factorization.

11143814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506550.

The product of its digits is 384, while the sum is 23.

The square root of 11143814 is about 3338.2351624773. The cubic root of 11143814 is about 223.3630261751.

Adding to 11143814 its reverse (41834111), we get a palindrome (52977925).

The spelling of 11143814 in words is "eleven million, one hundred forty-three thousand, eight hundred fourteen".