12606557073 has 8 divisors (see below), whose sum is σ = 18336810336. Its totient is φ = 7640337600.

The previous prime is 12606557063. The next prime is 12606557087. The reversal of 12606557073 is 37075560621.

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

It is not a de Polignac number, because 12606557073 - 2⁹ = 12606556561 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12606557003) 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 7 ways as a sum of consecutive naturals, for example, 191008408 + ... + 191008473.

It is an arithmetic number, because the mean of its divisors is an integer number (2292101292).

Almost surely, 2^12606557073 is an apocalyptic number.

It is an amenable number.

12606557073 is a deficient number, since it is larger than the sum of its proper divisors (5730253263).

12606557073 is a wasteful number, since it uses less digits than its factorization.

12606557073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382016895.

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 12606557073 in words is "twelve billion, six hundred six million, five hundred fifty-seven thousand, seventy-three".