12926399296 has 28 divisors (see below), whose sum is σ = 25662087360. Its totient is φ = 6460361600.

The previous prime is 12926399287. The next prime is 12926399309. The reversal of 12926399296 is 69299362921.

It is a self number, because there is not a number n which added to its sum of digits gives 12926399296.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 106521 + ... + 192871.

It is an arithmetic number, because the mean of its divisors is an integer number (916503120).

Almost surely, 2^12926399296 is an apocalyptic number.

12926399296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12926399296 is a deficient number, since it is larger than the sum of its proper divisors (12735688064).

12926399296 is an equidigital number, since it uses as much as digits as its factorization.

12926399296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88702 (or 88692 counting only the distinct ones).

The product of its digits is 5668704, while the sum is 58.

The spelling of 12926399296 in words is "twelve billion, nine hundred twenty-six million, three hundred ninety-nine thousand, two hundred ninety-six".