12503720946 has 16 divisors (see below), whose sum is σ = 25100409600. Its totient is φ = 4152412368.

The previous prime is 12503720909. The next prime is 12503720969. The reversal of 12503720946 is 64902730521.

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 7 ways as a sum of consecutive naturals, for example, 3871906 + ... + 3875133.

It is an arithmetic number, because the mean of its divisors is an integer number (1568775600).

Almost surely, 2^12503720946 is an apocalyptic number.

12503720946 is an abundant number, since it is smaller than the sum of its proper divisors (12596688654).

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

12503720946 is a wasteful number, since it uses less digits than its factorization.

12503720946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747313.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 12503720946 in words is "twelve billion, five hundred three million, seven hundred twenty thousand, nine hundred forty-six".