12404446 has 8 divisors (see below), whose sum is σ = 18714744. Its totient is φ = 6166200.

The previous prime is 12404437. The next prime is 12404449. The reversal of 12404446 is 64440421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12404446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17580 + ... + 18271.

It is an arithmetic number, because the mean of its divisors is an integer number (2339343).

Almost surely, 2^12404446 is an apocalyptic number.

12404446 is a deficient number, since it is larger than the sum of its proper divisors (6310298).

12404446 is a wasteful number, since it uses less digits than its factorization.

12404446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36026.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 12404446 is about 3521.9946053337. The cubic root of 12404446 is about 231.4865652195.

Adding to 12404446 its reverse (64440421), we get a palindrome (76844867).

The spelling of 12404446 in words is "twelve million, four hundred four thousand, four hundred forty-six".