12594529427 has 4 divisors (see below), whose sum is σ = 12622959960. Its totient is φ = 12566098896.

The previous prime is 12594529399. The next prime is 12594529429. The reversal of 12594529427 is 72492549521.

12594529427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12594529427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12594529429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14214602 + ... + 14215487.

It is an arithmetic number, because the mean of its divisors is an integer number (3155739990).

Almost surely, 2^12594529427 is an apocalyptic number.

12594529427 is a deficient number, since it is larger than the sum of its proper divisors (28430533).

12594529427 is an equidigital number, since it uses as much as digits as its factorization.

12594529427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28430532.

The product of its digits is 1814400, while the sum is 50.

The spelling of 12594529427 in words is "twelve billion, five hundred ninety-four million, five hundred twenty-nine thousand, four hundred twenty-seven".