12404479 has 4 divisors (see below), whose sum is σ = 12463480. Its totient is φ = 12345480.

The previous prime is 12404467. The next prime is 12404531. The reversal of 12404479 is 97440421.

12404479 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12404479 - 2¹¹ = 12402431 is a prime.

It is a super-2 number, since 2×12404479² = 307742198522882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12404479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29184 + ... + 29605.

It is an arithmetic number, because the mean of its divisors is an integer number (3115870).

Almost surely, 2^12404479 is an apocalyptic number.

12404479 is a deficient number, since it is larger than the sum of its proper divisors (59001).

12404479 is an equidigital number, since it uses as much as digits as its factorization.

12404479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59000.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 12404479 is about 3521.9992901760. Note that the first 3 decimals coincide. The cubic root of 12404479 is about 231.4867704967.

The spelling of 12404479 in words is "twelve million, four hundred four thousand, four hundred seventy-nine".