12606044787 has 48 divisors (see below), whose sum is σ = 21337924608. Its totient is φ = 7021042560.

The previous prime is 12606044777. The next prime is 12606044791. The reversal of 12606044787 is 78744060621.

12606044787 is a `hidden beast` number, since 12 + 60 + 60 + 447 + 87 = 666.

It is not a de Polignac number, because 12606044787 - 2¹⁴ = 12606028403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12606044747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4087348 + ... + 4090430.

It is an arithmetic number, because the mean of its divisors is an integer number (444540096).

Almost surely, 2^12606044787 is an apocalyptic number.

12606044787 is a deficient number, since it is larger than the sum of its proper divisors (8731879821).

12606044787 is a wasteful number, since it uses less digits than its factorization.

12606044787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720 (or 4717 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 12606044787 in words is "twelve billion, six hundred six million, forty-four thousand, seven hundred eighty-seven".