12403105 has 48 divisors (see below), whose sum is σ = 18768960. Its totient is φ = 7793280.

The previous prime is 12403087. The next prime is 12403121. The reversal of 12403105 is 50130421.

12403105 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12403105 - 2⁷ = 12402977 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 149394 + ... + 149476.

It is an arithmetic number, because the mean of its divisors is an integer number (391020).

Almost surely, 2^12403105 is an apocalyptic number.

It is an amenable number.

12403105 is a deficient number, since it is larger than the sum of its proper divisors (6365855).

12403105 is a wasteful number, since it uses less digits than its factorization.

12403105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12403105 is about 3521.8042251096. The cubic root of 12403105 is about 231.4782231925.

Adding to 12403105 its reverse (50130421), we get a palindrome (62533526).

The spelling of 12403105 in words is "twelve million, four hundred three thousand, one hundred five".