12404001 has 4 divisors (see below), whose sum is σ = 16538672. Its totient is φ = 8269332.

The previous prime is 12403973. The next prime is 12404003. The reversal of 12404001 is 10040421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12404001 - 2¹⁰ = 12402977 is a prime.

It is a Duffinian number.

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, 2067331 + ... + 2067336.

It is an arithmetic number, because the mean of its divisors is an integer number (4134668).

Almost surely, 2^12404001 is an apocalyptic number.

It is an amenable number.

12404001 is a deficient number, since it is larger than the sum of its proper divisors (4134671).

12404001 is an equidigital number, since it uses as much as digits as its factorization.

12404001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134670.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 12404001 is about 3521.9314303376. The cubic root of 12404001 is about 231.4837970520.

Adding to 12404001 its reverse (10040421), we get a palindrome (22444422).

The spelling of 12404001 in words is "twelve million, four hundred four thousand, one".