12988736726 has 8 divisors (see below), whose sum is σ = 22266405840. Its totient is φ = 5566601448.

The previous prime is 12988736713. The next prime is 12988736753. The reversal of 12988736726 is 62763788921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463883441 + ... + 463883468.

It is an arithmetic number, because the mean of its divisors is an integer number (2783300730).

Almost surely, 2^12988736726 is an apocalyptic number.

12988736726 is a deficient number, since it is larger than the sum of its proper divisors (9277669114).

12988736726 is an equidigital number, since it uses as much as digits as its factorization.

12988736726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927766918.

The product of its digits is 12192768, while the sum is 59.

The spelling of 12988736726 in words is "twelve billion, nine hundred eighty-eight million, seven hundred thirty-six thousand, seven hundred twenty-six".