12404004 has 12 divisors (see below), whose sum is σ = 28942704. Its totient is φ = 4134664.

The previous prime is 12404003. The next prime is 12404011. The reversal of 12404004 is 40040421.

It is a tau number, because it is divible by the number of its divisors (12).

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516822 + ... + 516845.

It is an arithmetic number, because the mean of its divisors is an integer number (2411892).

Almost surely, 2^12404004 is an apocalyptic number.

It is an amenable number.

12404004 is an abundant number, since it is smaller than the sum of its proper divisors (16538700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12404004 is a wasteful number, since it uses less digits than its factorization.

12404004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033674 (or 1033672 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 12404004 is about 3521.9318562403. The cubic root of 12404004 is about 231.4838157140.

Adding to 12404004 its reverse (40040421), we get a palindrome (52444425).

The spelling of 12404004 in words is "twelve million, four hundred four thousand, four".