12606259328 has 32 divisors (see below), whose sum is σ = 27045884460. Its totient is φ = 5818272768.

The previous prime is 12606259319. The next prime is 12606259331. The reversal of 12606259328 is 82395260621.

It can be written as a sum of positive squares in 2 ways, for example, as 10801029184 + 1805230144 = 103928^2 + 42488^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3786275 + ... + 3789602.

Almost surely, 2^12606259328 is an apocalyptic number.

It is an amenable number.

12606259328 is an abundant number, since it is smaller than the sum of its proper divisors (14439625132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12606259328 is an equidigital number, since it uses as much as digits as its factorization.

12606259328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7575904 (or 7575892 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 12606259328 in words is "twelve billion, six hundred six million, two hundred fifty-nine thousand, three hundred twenty-eight".