11143386 has 32 divisors (see below), whose sum is σ = 26068800. Its totient is φ = 3518640.

The previous prime is 11143357. The next prime is 11143387. The reversal of 11143386 is 68334111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11143387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4405 + ... + 6456.

It is an arithmetic number, because the mean of its divisors is an integer number (814650).

Almost surely, 2^11143386 is an apocalyptic number.

11143386 is an abundant number, since it is smaller than the sum of its proper divisors (14925414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11143386 is a wasteful number, since it uses less digits than its factorization.

11143386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10891 (or 10885 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 11143386 is about 3338.1710561324. The cubic root of 11143386 is about 223.3601665737.

Adding to 11143386 its reverse (68334111), we get a palindrome (79477497).

The spelling of 11143386 in words is "eleven million, one hundred forty-three thousand, three hundred eighty-six".