12404541 has 4 divisors (see below), whose sum is σ = 16539392. Its totient is φ = 8269692.

The previous prime is 12404537. The next prime is 12404563. The reversal of 12404541 is 14540421.

It is a happy number.

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 12404541 - 2² = 12404537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404531) 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, 2067421 + ... + 2067426.

It is an arithmetic number, because the mean of its divisors is an integer number (4134848).

Almost surely, 2^12404541 is an apocalyptic number.

It is an amenable number.

12404541 is a deficient number, since it is larger than the sum of its proper divisors (4134851).

12404541 is an equidigital number, since it uses as much as digits as its factorization.

12404541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134850.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 12404541 is about 3522.0080919839. The cubic root of 12404541 is about 231.4871561680.

Adding to 12404541 its reverse (14540421), we get a palindrome (26944962).

The spelling of 12404541 in words is "twelve million, four hundred four thousand, five hundred forty-one".