12404043 has 16 divisors (see below), whose sum is σ = 18439200. Its totient is φ = 8241120.

The previous prime is 12404023. The next prime is 12404053. The reversal of 12404043 is 34040421.

It is not a de Polignac number, because 12404043 - 2⁵ = 12404011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12404003) 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, 9913 + ... + 11093.

It is an arithmetic number, because the mean of its divisors is an integer number (1152450).

Almost surely, 2^12404043 is an apocalyptic number.

12404043 is a deficient number, since it is larger than the sum of its proper divisors (6035157).

12404043 is a wasteful number, since it uses less digits than its factorization.

12404043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12404043 is about 3521.9373929700. The cubic root of 12404043 is about 231.4840583200.

Adding to 12404043 its reverse (34040421), we get a palindrome (46444464).

The spelling of 12404043 in words is "twelve million, four hundred four thousand, forty-three".