11143012 has 24 divisors (see below), whose sum is σ = 20421632. Its totient is φ = 5313600.

The previous prime is 11143009. The next prime is 11143019. The reversal of 11143012 is 21034111.

It is a super-3 number, since 3×11143012³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11142983 and 11143001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143019) 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, 8437 + ... + 9667.

Almost surely, 2^11143012 is an apocalyptic number.

It is an amenable number.

11143012 is a deficient number, since it is larger than the sum of its proper divisors (9278620).

11143012 is a wasteful number, since it uses less digits than its factorization.

11143012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11143012 is about 3338.1150369632. The cubic root of 11143012 is about 223.3576677031.

Adding to 11143012 its reverse (21034111), we get a palindrome (32177123).

The spelling of 11143012 in words is "eleven million, one hundred forty-three thousand, twelve".