12529613696 has 48 divisors (see below), whose sum is σ = 25654562640. Its totient is φ = 6095402496.

The previous prime is 12529613693. The next prime is 12529613711. The reversal of 12529613696 is 69631692521.

12529613696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12529613693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139481 + ... + 210983.

It is an arithmetic number, because the mean of its divisors is an integer number (534470055).

Almost surely, 2^12529613696 is an apocalyptic number.

12529613696 is a gapful number since it is divisible by the number (16) 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 12529613696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12827281320).

12529613696 is an abundant number, since it is smaller than the sum of its proper divisors (13124948944).

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

12529613696 is an frugal number, since it uses more digits than its factorization.

12529613696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71591 (or 71542 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 50.

The spelling of 12529613696 in words is "twelve billion, five hundred twenty-nine million, six hundred thirteen thousand, six hundred ninety-six".