12113135 has 4 divisors (see below), whose sum is σ = 14535768. Its totient is φ = 9690504.

The previous prime is 12113119. The next prime is 12113147. The reversal of 12113135 is 53131121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53131121 = 41 ⋅1295881.

It is a cyclic number.

It is not a de Polignac number, because 12113135 - 2⁴ = 12113119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211309 + ... + 1211318.

It is an arithmetic number, because the mean of its divisors is an integer number (3633942).

Almost surely, 2^12113135 is an apocalyptic number.

12113135 is a deficient number, since it is larger than the sum of its proper divisors (2422633).

12113135 is an equidigital number, since it uses as much as digits as its factorization.

12113135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422632.

The product of its digits is 90, while the sum is 17.

The square root of 12113135 is about 3480.3929375862. The cubic root of 12113135 is about 229.6600838981.

Adding to 12113135 its reverse (53131121), we get a palindrome (65244256).

The spelling of 12113135 in words is "twelve million, one hundred thirteen thousand, one hundred thirty-five".