11143966 has 8 divisors (see below), whose sum is σ = 17104824. Its totient is φ = 5442360.

The previous prime is 11143963. The next prime is 11143967. The reversal of 11143966 is 66934111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64705 + ... + 64876.

It is an arithmetic number, because the mean of its divisors is an integer number (2138103).

Almost surely, 2^11143966 is an apocalyptic number.

11143966 is a deficient number, since it is larger than the sum of its proper divisors (5960858).

11143966 is a wasteful number, since it uses less digits than its factorization.

11143966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129626.

The product of its digits is 3888, while the sum is 31.

The square root of 11143966 is about 3338.2579289204. The cubic root of 11143966 is about 223.3640417169.

The spelling of 11143966 in words is "eleven million, one hundred forty-three thousand, nine hundred sixty-six".