12113105 has 4 divisors (see below), whose sum is σ = 14535732. Its totient is φ = 9690480.

The previous prime is 12113093. The next prime is 12113117. The reversal of 12113105 is 50131121.

12113105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12113093) and next prime (12113117).

It can be written as a sum of positive squares in 2 ways, for example, as 1308736 + 10804369 = 1144^2 + 3287^2 .

It is not a de Polignac number, because 12113105 - 2¹⁶ = 12047569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12113105.

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, 1211306 + ... + 1211315.

It is an arithmetic number, because the mean of its divisors is an integer number (3633933).

Almost surely, 2^12113105 is an apocalyptic number.

It is an amenable number.

12113105 is a deficient number, since it is larger than the sum of its proper divisors (2422627).

12113105 is an equidigital number, since it uses as much as digits as its factorization.

12113105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422626.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 12113105 is about 3480.3886277254. The cubic root of 12113105 is about 229.6598943021.

Adding to 12113105 its reverse (50131121), we get a palindrome (62244226).

The spelling of 12113105 in words is "twelve million, one hundred thirteen thousand, one hundred five".