12404211 has 4 divisors (see below), whose sum is σ = 16538952. Its totient is φ = 8269472.

The previous prime is 12404201. The next prime is 12404269. The reversal of 12404211 is 11240421.

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 12404211 - 2¹³ = 12396019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12404201) 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, 2067366 + ... + 2067371.

It is an arithmetic number, because the mean of its divisors is an integer number (4134738).

Almost surely, 2^12404211 is an apocalyptic number.

12404211 is a deficient number, since it is larger than the sum of its proper divisors (4134741).

12404211 is an equidigital number, since it uses as much as digits as its factorization.

12404211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134740.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 12404211 is about 3521.9612433983. The cubic root of 12404211 is about 231.4851033865.

Adding to 12404211 its reverse (11240421), we get a palindrome (23644632).

The spelling of 12404211 in words is "twelve million, four hundred four thousand, two hundred eleven".