12456477796 has 24 divisors (see below), whose sum is σ = 26378424576. Its totient is φ = 5024461440.

The previous prime is 12456477769. The next prime is 12456477857. The reversal of 12456477796 is 69777465421.

It is a happy number.

12456477796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12456477796.

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, 13084060 + ... + 13085011.

It is an arithmetic number, because the mean of its divisors is an integer number (1099101024).

Almost surely, 2^12456477796 is an apocalyptic number.

It is an amenable number.

12456477796 is an abundant number, since it is smaller than the sum of its proper divisors (13921946780).

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

12456477796 is a wasteful number, since it uses less digits than its factorization.

12456477796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26169099 (or 26169097 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 58.

The spelling of 12456477796 in words is "twelve billion, four hundred fifty-six million, four hundred seventy-seven thousand, seven hundred ninety-six".