12103113 has 16 divisors (see below), whose sum is σ = 18173952. Its totient is φ = 7098000.

The previous prime is 12103109. The next prime is 12103123. The reversal of 12103113 is 31130121.

12103113 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 12103113 - 2² = 12103109 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12103123) 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 15 ways as a sum of consecutive naturals, for example, 4893 + ... + 6938.

It is an arithmetic number, because the mean of its divisors is an integer number (1135872).

Almost surely, 2^12103113 is an apocalyptic number.

It is an amenable number.

12103113 is a deficient number, since it is larger than the sum of its proper divisors (6070839).

12103113 is a wasteful number, since it uses less digits than its factorization.

12103113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11876.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 12103113 is about 3478.9528596979. The cubic root of 12103113 is about 229.5967287490.

Adding to 12103113 its reverse (31130121), we get a palindrome (43233234).

The spelling of 12103113 in words is "twelve million, one hundred three thousand, one hundred thirteen".