11143072 has 12 divisors (see below), whose sum is σ = 21937986. Its totient is φ = 5571520.

The previous prime is 11143061. The next prime is 11143073. The reversal of 11143072 is 27034111.

It can be written as a sum of positive squares in only one way, i.e., 5779216 + 5363856 = 2404^2 + 2316^2 .

It is not an unprimeable number, because it can be changed into a prime (11143073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174079 + ... + 174142.

Almost surely, 2^11143072 is an apocalyptic number.

It is an amenable number.

11143072 is a deficient number, since it is larger than the sum of its proper divisors (10794914).

11143072 is an equidigital number, since it uses as much as digits as its factorization.

11143072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348231 (or 348223 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11143072 is about 3338.1240240590. The cubic root of 11143072 is about 223.3580685952.

Adding to 11143072 its reverse (27034111), we get a palindrome (38177183).

It can be divided in two parts, 1114 and 3072, that added together give a triangular number (4186 = T₉₁).

The spelling of 11143072 in words is "eleven million, one hundred forty-three thousand, seventy-two".