12926783744 has 144 divisors (see below), whose sum is σ = 31094439936. Its totient is φ = 5246208000.

The previous prime is 12926783743. The next prime is 12926783761. The reversal of 12926783744 is 44738762921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12926783743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2608469 + ... + 2613419.

Almost surely, 2^12926783744 is an apocalyptic number.

12926783744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12926783744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15547219968).

12926783744 is an abundant number, since it is smaller than the sum of its proper divisors (18167656192).

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

12926783744 is an equidigital number, since it uses as much as digits as its factorization.

12926783744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052 (or 5038 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 53.

The spelling of 12926783744 in words is "twelve billion, nine hundred twenty-six million, seven hundred eighty-three thousand, seven hundred forty-four".