12705894627 has 8 divisors (see below), whose sum is σ = 16941940416. Its totient is φ = 8470222632.

The previous prime is 12705894583. The next prime is 12705894647. The reversal of 12705894627 is 72649850721.

It is a happy number.

12705894627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12705894627 - 2⁶ = 12705894563 is a prime.

It is a super-2 number, since 2×12705894627² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12705894627.

It is not an unprimeable number, because it can be changed into a prime (12705894647) 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 7 ways as a sum of consecutive naturals, for example, 1093 + ... + 159414.

It is an arithmetic number, because the mean of its divisors is an integer number (2117742552).

Almost surely, 2^12705894627 is an apocalyptic number.

12705894627 is a deficient number, since it is larger than the sum of its proper divisors (4236045789).

12705894627 is a wasteful number, since it uses less digits than its factorization.

12705894627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186897.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 12705894627 in words is "twelve billion, seven hundred five million, eight hundred ninety-four thousand, six hundred twenty-seven".