12134427 has 8 divisors (see below), whose sum is σ = 16196880. Its totient is φ = 8080800.

The previous prime is 12134417. The next prime is 12134429. The reversal of 12134427 is 72443121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12134427 - 2¹⁵ = 12101659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12134397 and 12134406.

It is not an unprimeable number, because it can be changed into a prime (12134429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2349 + ... + 5457.

It is an arithmetic number, because the mean of its divisors is an integer number (2024610).

Almost surely, 2^12134427 is an apocalyptic number.

12134427 is a deficient number, since it is larger than the sum of its proper divisors (4062453).

12134427 is a wasteful number, since it uses less digits than its factorization.

12134427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413.

The product of its digits is 1344, while the sum is 24.

The square root of 12134427 is about 3483.4504446023. The cubic root of 12134427 is about 229.7945676685.

Adding to 12134427 its reverse (72443121), we get a palindrome (84577548).

It can be divided in two parts, 12134 and 427, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 12134427 in words is "twelve million, one hundred thirty-four thousand, four hundred twenty-seven".