12877146456 has 16 divisors (see below), whose sum is σ = 32192866200. Its totient is φ = 4292382144.

The previous prime is 12877146449. The next prime is 12877146461. The reversal of 12877146456 is 65464177821.

It is a junction number, because it is equal to n+sod(n) for n = 12877146399 and 12877146408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268273861 + ... + 268273908.

Almost surely, 2^12877146456 is an apocalyptic number.

It is an amenable number.

12877146456 is an abundant number, since it is smaller than the sum of its proper divisors (19315719744).

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

12877146456 is a wasteful number, since it uses less digits than its factorization.

12877146456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536547778 (or 536547774 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The spelling of 12877146456 in words is "twelve billion, eight hundred seventy-seven million, one hundred forty-six thousand, four hundred fifty-six".