12404433 has 16 divisors (see below), whose sum is σ = 17289216. Its totient is φ = 7901520.

The previous prime is 12404423. The next prime is 12404437. The reversal of 12404433 is 33440421.

It is not a de Polignac number, because 12404433 - 2⁴ = 12404417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12404437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6916 + ... + 8522.

It is an arithmetic number, because the mean of its divisors is an integer number (1080576).

Almost surely, 2^12404433 is an apocalyptic number.

It is an amenable number.

12404433 is a deficient number, since it is larger than the sum of its proper divisors (4884783).

12404433 is a wasteful number, since it uses less digits than its factorization.

12404433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 12404433 is about 3521.9927597881. The cubic root of 12404433 is about 231.4864843526.

Adding to 12404433 its reverse (33440421), we get a palindrome (45844854).

The spelling of 12404433 in words is "twelve million, four hundred four thousand, four hundred thirty-three".