12404103 has 4 divisors (see below), whose sum is σ = 16538808. Its totient is φ = 8269400.

The previous prime is 12404089. The next prime is 12404143. The reversal of 12404103 is 30140421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30140421 = 3 ⋅10046807.

It is a cyclic number.

It is not a de Polignac number, because 12404103 - 2⁸ = 12403847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2067348 + ... + 2067353.

It is an arithmetic number, because the mean of its divisors is an integer number (4134702).

Almost surely, 2^12404103 is an apocalyptic number.

12404103 is a deficient number, since it is larger than the sum of its proper divisors (4134705).

12404103 is an equidigital number, since it uses as much as digits as its factorization.

12404103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134704.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12404103 is about 3521.9459109986. The cubic root of 12404103 is about 231.4844315591.

Adding to 12404103 its reverse (30140421), we get a palindrome (42544524).

The spelling of 12404103 in words is "twelve million, four hundred four thousand, one hundred three".