12134605 has 12 divisors (see below), whose sum is σ = 16939260. Its totient is φ = 8320704.

The previous prime is 12134581. The next prime is 12134623. The reversal of 12134605 is 50643121.

12134605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2079364 + 10055241 = 1442^2 + 3171^2 .

It is not a de Polignac number, because 12134605 - 2⁷ = 12134477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24520 + ... + 25009.

It is an arithmetic number, because the mean of its divisors is an integer number (1411605).

Almost surely, 2^12134605 is an apocalyptic number.

It is an amenable number.

12134605 is a deficient number, since it is larger than the sum of its proper divisors (4804655).

12134605 is an equidigital number, since it uses as much as digits as its factorization.

12134605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49548 (or 49541 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12134605 is about 3483.4759938889. The cubic root of 12134605 is about 229.7956912824.

Adding to 12134605 its reverse (50643121), we get a palindrome (62777726).

The spelling of 12134605 in words is "twelve million, one hundred thirty-four thousand, six hundred five".