12134689 has 4 divisors (see below), whose sum is σ = 13868224. Its totient is φ = 10401156.

The previous prime is 12134677. The next prime is 12134693. The reversal of 12134689 is 98643121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98643121 = 1301 ⋅75821.

It is a cyclic number.

It is not a de Polignac number, because 12134689 - 2¹¹ = 12132641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12134189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866757 + ... + 866770.

It is an arithmetic number, because the mean of its divisors is an integer number (3467056).

Almost surely, 2^12134689 is an apocalyptic number.

It is an amenable number.

12134689 is a deficient number, since it is larger than the sum of its proper divisors (1733535).

12134689 is an equidigital number, since it uses as much as digits as its factorization.

12134689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733534.

The product of its digits is 10368, while the sum is 34.

The square root of 12134689 is about 3483.4880507905. The cubic root of 12134689 is about 229.7962215233.

The spelling of 12134689 in words is "twelve million, one hundred thirty-four thousand, six hundred eighty-nine".