11143946 has 16 divisors (see below), whose sum is σ = 18865440. Its totient is φ = 4890480.

The previous prime is 11143933. The next prime is 11143949. The reversal of 11143946 is 64934111.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (11143949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8096 + ... + 9371.

It is an arithmetic number, because the mean of its divisors is an integer number (1179090).

Almost surely, 2^11143946 is an apocalyptic number.

11143946 is a deficient number, since it is larger than the sum of its proper divisors (7721494).

11143946 is a wasteful number, since it uses less digits than its factorization.

11143946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17509.

The product of its digits is 2592, while the sum is 29.

The square root of 11143946 is about 3338.2549333447. The cubic root of 11143946 is about 223.3639080935.

The spelling of 11143946 in words is "eleven million, one hundred forty-three thousand, nine hundred forty-six".