12805364627 has 16 divisors (see below), whose sum is σ = 14017536000. Its totient is φ = 11601275040.

The previous prime is 12805364623. The next prime is 12805364629. The reversal of 12805364627 is 72646350821.

It is a cyclic number.

It is not a de Polignac number, because 12805364627 - 2² = 12805364623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12805364623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6569249 + ... + 6571197.

It is an arithmetic number, because the mean of its divisors is an integer number (876096000).

Almost surely, 2^12805364627 is an apocalyptic number.

12805364627 is a deficient number, since it is larger than the sum of its proper divisors (1212171373).

12805364627 is a wasteful number, since it uses less digits than its factorization.

12805364627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 12805364627 in words is "twelve billion, eight hundred five million, three hundred sixty-four thousand, six hundred twenty-seven".