12040433 has 6 divisors (see below), whose sum is σ = 12707874. Its totient is φ = 11406384.

The previous prime is 12040421. The next prime is 12040463. The reversal of 12040433 is 33404021.

It can be written as a sum of positive squares in only one way, i.e., 7907344 + 4133089 = 2812^2 + 2033^2 .

It is not a de Polignac number, because 12040433 - 2⁴ = 12040417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12040463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16316 + ... + 17037.

It is an arithmetic number, because the mean of its divisors is an integer number (2117979).

Almost surely, 2^12040433 is an apocalyptic number.

It is an amenable number.

12040433 is a deficient number, since it is larger than the sum of its proper divisors (667441).

12040433 is an equidigital number, since it uses as much as digits as its factorization.

12040433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33391 (or 33372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 12040433 is about 3469.9327082812. The cubic root of 12040433 is about 229.1996948687.

Adding to 12040433 its reverse (33404021), we get a palindrome (45444454).

The spelling of 12040433 in words is "twelve million, forty thousand, four hundred thirty-three".