12033143 has 4 divisors (see below), whose sum is σ = 12042888. Its totient is φ = 12023400.

The previous prime is 12033107. The next prime is 12033167. The reversal of 12033143 is 34133021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34133021 = 13 ⋅2625617.

It is a cyclic number.

It is not a de Polignac number, because 12033143 - 2²² = 7838839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2696 + ... + 5597.

It is an arithmetic number, because the mean of its divisors is an integer number (3010722).

Almost surely, 2^12033143 is an apocalyptic number.

12033143 is a deficient number, since it is larger than the sum of its proper divisors (9745).

12033143 is an equidigital number, since it uses as much as digits as its factorization.

12033143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9744.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 12033143 is about 3468.8820965839. The cubic root of 12033143 is about 229.1534284511.

Adding to 12033143 its reverse (34133021), we get a palindrome (46166164).

The spelling of 12033143 in words is "twelve million, thirty-three thousand, one hundred forty-three".