12387475328 has 32 divisors (see below), whose sum is σ = 24710966760. Its totient is φ = 6185507328.

The previous prime is 12387475327. The next prime is 12387475337. The reversal of 12387475328 is 82357478321.

12387475328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12387475327) 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 3 ways as a sum of consecutive naturals, for example, 32975 + ... + 160817.

Almost surely, 2^12387475328 is an apocalyptic number.

It is an amenable number.

12387475328 is a deficient number, since it is larger than the sum of its proper divisors (12323491432).

12387475328 is an equidigital number, since it uses as much as digits as its factorization.

12387475328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128614 (or 128602 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 50.

The spelling of 12387475328 in words is "twelve billion, three hundred eighty-seven million, four hundred seventy-five thousand, three hundred twenty-eight".