12954947928 has 64 divisors (see below), whose sum is σ = 35153448960. Its totient is φ = 3954738816.

The previous prime is 12954947923. The next prime is 12954947939. The reversal of 12954947928 is 82974945921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12954947921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123850 + ... + 203097.

It is an arithmetic number, because the mean of its divisors is an integer number (549272640).

Almost surely, 2^12954947928 is an apocalyptic number.

It is an amenable number.

12954947928 is an abundant number, since it is smaller than the sum of its proper divisors (22198501032).

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

12954947928 is a wasteful number, since it uses less digits than its factorization.

12954947928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327096 (or 327092 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 60.

The spelling of 12954947928 in words is "twelve billion, nine hundred fifty-four million, nine hundred forty-seven thousand, nine hundred twenty-eight".