12133103 has 4 divisors (see below), whose sum is σ = 12269520. Its totient is φ = 11996688.

The previous prime is 12133073. The next prime is 12133129. The reversal of 12133103 is 30133121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30133121 = 211 ⋅142811.

It is a cyclic number.

It is not a de Polignac number, because 12133103 - 2⁸ = 12132847 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 (12133193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68075 + ... + 68252.

It is an arithmetic number, because the mean of its divisors is an integer number (3067380).

Almost surely, 2^12133103 is an apocalyptic number.

12133103 is a deficient number, since it is larger than the sum of its proper divisors (136417).

12133103 is an equidigital number, since it uses as much as digits as its factorization.

12133103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136416.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 12133103 is about 3483.2603979605. The cubic root of 12133103 is about 229.7862096561.

Adding to 12133103 its reverse (30133121), we get a palindrome (42266224).

The spelling of 12133103 in words is "twelve million, one hundred thirty-three thousand, one hundred three".