11143712 has 12 divisors (see below), whose sum is σ = 21939246. Its totient is φ = 5571840.

The previous prime is 11143679. The next prime is 11143723. The reversal of 11143712 is 21734111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10214416 + 929296 = 3196^2 + 964^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174089 + ... + 174152.

Almost surely, 2^11143712 is an apocalyptic number.

It is an amenable number.

11143712 is a deficient number, since it is larger than the sum of its proper divisors (10795534).

11143712 is an equidigital number, since it uses as much as digits as its factorization.

11143712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348251 (or 348243 counting only the distinct ones).

The product of its digits is 168, while the sum is 20.

The square root of 11143712 is about 3338.2198849087. The cubic root of 11143712 is about 223.3623446879.

Adding to 11143712 its reverse (21734111), we get a palindrome (32877823).

The spelling of 11143712 in words is "eleven million, one hundred forty-three thousand, seven hundred twelve".