13123722752 has 160 divisors (see below), whose sum is σ = 30736223232. Its totient is φ = 5482266624.

The previous prime is 13123722709. The next prime is 13123722797. The reversal of 13123722752 is 25722732131.

It is a zygodrome in base 2.

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 15 ways as a sum of consecutive naturals, for example, 26947853 + ... + 26948339.

Almost surely, 2^13123722752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13123722752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15368111616).

13123722752 is an abundant number, since it is smaller than the sum of its proper divisors (17612500480).

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

13123722752 is an equidigital number, since it uses as much as digits as its factorization.

13123722752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 672 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The spelling of 13123722752 in words is "thirteen billion, one hundred twenty-three million, seven hundred twenty-two thousand, seven hundred fifty-two".