13522750720 has 108 divisors (see below), whose sum is σ = 33022677996. Its totient is φ = 5305630720.

The previous prime is 13522750693. The next prime is 13522750723. The reversal of 13522750720 is 2705722531.

It can be written as a sum of positive squares in 6 ways, for example, as 229583104 + 13293167616 = 15152^2 + 115296^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13522750723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3593640 + ... + 3597400.

It is an arithmetic number, because the mean of its divisors is an integer number (305765537).

Almost surely, 2^13522750720 is an apocalyptic number.

13522750720 is a gapful number since it is divisible by the number (10) 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 13522750720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16511338998).

13522750720 is an abundant number, since it is smaller than the sum of its proper divisors (19499927276).

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

13522750720 is an frugal number, since it uses more digits than its factorization.

13522750720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888 (or 3821 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The spelling of 13522750720 in words is "thirteen billion, five hundred twenty-two million, seven hundred fifty thousand, seven hundred twenty".