12134559 has 16 divisors (see below), whose sum is σ = 17107200. Its totient is φ = 7629696.

The previous prime is 12134543. The next prime is 12134569. The reversal of 12134559 is 95543121.

It is not a de Polignac number, because 12134559 - 2⁴ = 12134543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20167 + ... + 20759.

It is an arithmetic number, because the mean of its divisors is an integer number (1069200).

Almost surely, 2^12134559 is an apocalyptic number.

12134559 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12134559 is a deficient number, since it is larger than the sum of its proper divisors (4972641).

12134559 is a wasteful number, since it uses less digits than its factorization.

12134559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974.

The product of its digits is 5400, while the sum is 30.

The square root of 12134559 is about 3483.4693912822. The cubic root of 12134559 is about 229.7954009113.

The spelling of 12134559 in words is "twelve million, one hundred thirty-four thousand, five hundred fifty-nine".