11143286 has 24 divisors (see below), whose sum is σ = 21213576. Its totient is φ = 4341120.

The previous prime is 11143283. The next prime is 11143309. The reversal of 11143286 is 68234111.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4091 + ... + 6246.

It is an arithmetic number, because the mean of its divisors is an integer number (883899).

Almost surely, 2^11143286 is an apocalyptic number.

11143286 is a deficient number, since it is larger than the sum of its proper divisors (10070290).

11143286 is a wasteful number, since it uses less digits than its factorization.

11143286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10364 (or 10357 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 11143286 is about 3338.1560778370. The cubic root of 11143286 is about 223.3594984319.

Adding to 11143286 its reverse (68234111), we get a palindrome (79377397).

The spelling of 11143286 in words is "eleven million, one hundred forty-three thousand, two hundred eighty-six".