12403103 has 8 divisors (see below), whose sum is σ = 12868320. Its totient is φ = 11944800.

The previous prime is 12403087. The next prime is 12403121. The reversal of 12403103 is 30130421.

12403103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12403103 - 2⁴ = 12403087 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 (12403123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078 + ... + 5396.

It is an arithmetic number, because the mean of its divisors is an integer number (1608540).

Almost surely, 2^12403103 is an apocalyptic number.

12403103 is a deficient number, since it is larger than the sum of its proper divisors (465217).

12403103 is a wasteful number, since it uses less digits than its factorization.

12403103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3457.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12403103 is about 3521.8039411642. The cubic root of 12403103 is about 231.4782107505.

Adding to 12403103 its reverse (30130421), we get a palindrome (42533524).

The spelling of 12403103 in words is "twelve million, four hundred three thousand, one hundred three".