12103136 has 12 divisors (see below), whose sum is σ = 23828112. Its totient is φ = 6051552.

The previous prime is 12103127. The next prime is 12103139. The reversal of 12103136 is 63130121.

12103136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189080 + ... + 189143.

It is an arithmetic number, because the mean of its divisors is an integer number (1985676).

Almost surely, 2^12103136 is an apocalyptic number.

12103136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12103136 is a deficient number, since it is larger than the sum of its proper divisors (11724976).

12103136 is an equidigital number, since it uses as much as digits as its factorization.

12103136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378233 (or 378225 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 12103136 is about 3478.9561652887. The cubic root of 12103136 is about 229.5968741860.

Adding to 12103136 its reverse (63130121), we get a palindrome (75233257).

The spelling of 12103136 in words is "twelve million, one hundred three thousand, one hundred thirty-six".