13227075521720 has 32 divisors (see below), whose sum is σ = 30394130990400. Its totient is φ = 5178259352448.

The previous prime is 13227075521707. The next prime is 13227075521729. The reversal of 13227075521720 is 2712557072231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13227075521729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3517837355 + ... + 3517841114.

It is an arithmetic number, because the mean of its divisors is an integer number (949816593450).

Almost surely, 2^{13227075521720} is an apocalyptic number.

13227075521720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13227075521720 is an abundant number, since it is smaller than the sum of its proper divisors (17167055468680).

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

13227075521720 is a wasteful number, since it uses less digits than its factorization.

13227075521720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7035678527 (or 7035678523 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 13227075521720 in words is "thirteen trillion, two hundred twenty-seven billion, seventy-five million, five hundred twenty-one thousand, seven hundred twenty".