12926653432 has 32 divisors (see below), whose sum is σ = 30218152320. Its totient is φ = 5036358240.

The previous prime is 12926653429. The next prime is 12926653457. The reversal of 12926653432 is 23435662921.

12926653432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10491798 + ... + 10493029.

It is an arithmetic number, because the mean of its divisors is an integer number (944317260).

Almost surely, 2^12926653432 is an apocalyptic number.

It is an amenable number.

12926653432 is an abundant number, since it is smaller than the sum of its proper divisors (17291498888).

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

12926653432 is a wasteful number, since it uses less digits than its factorization.

12926653432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20984851 (or 20984847 counting only the distinct ones).

The product of its digits is 466560, while the sum is 43.

The spelling of 12926653432 in words is "twelve billion, nine hundred twenty-six million, six hundred fifty-three thousand, four hundred thirty-two".