12655463408 has 40 divisors (see below), whose sum is σ = 29671216992. Its totient is φ = 5104723968.

The previous prime is 12655463389. The next prime is 12655463419. The reversal of 12655463408 is 80436455621.

12655463408 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, 3321485 + ... + 3325292.

Almost surely, 2^12655463408 is an apocalyptic number.

It is an amenable number.

12655463408 is an abundant number, since it is smaller than the sum of its proper divisors (17015753584).

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

12655463408 is a wasteful number, since it uses less digits than its factorization.

12655463408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6646809 (or 6646803 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 12655463408 in words is "twelve billion, six hundred fifty-five million, four hundred sixty-three thousand, four hundred eight".