12134405 has 8 divisors (see below), whose sum is σ = 14580000. Its totient is φ = 9695056.

The previous prime is 12134389. The next prime is 12134417. The reversal of 12134405 is 50443121.

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

It is a cyclic number.

It is not a de Polignac number, because 12134405 - 2⁴ = 12134389 is a prime.

It is a super-3 number, since 3×12134405³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6686 + ... + 8304.

It is an arithmetic number, because the mean of its divisors is an integer number (1822500).

Almost surely, 2^12134405 is an apocalyptic number.

It is an amenable number.

12134405 is a deficient number, since it is larger than the sum of its proper divisors (2445595).

12134405 is a wasteful number, since it uses less digits than its factorization.

12134405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12134405 is about 3483.4472868123. The cubic root of 12134405 is about 229.7944287941.

Adding to 12134405 its reverse (50443121), we get a palindrome (62577526).

The spelling of 12134405 in words is "twelve million, one hundred thirty-four thousand, four hundred five".