13277021873 has 8 divisors (see below), whose sum is σ = 13637831400. Its totient is φ = 12916316160.

The previous prime is 13277021861. The next prime is 13277021881. The reversal of 13277021873 is 37812077231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8031206689 + 5245815184 = 89617^2 + 72428^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13277021873 - 2¹² = 13277017777 is a prime.

It is a super-2 number, since 2×13277021873² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13277021873.

It is not an unprimeable number, because it can be changed into a prime (13277021273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282353 + ... + 326001.

It is an arithmetic number, because the mean of its divisors is an integer number (1704728925).

Almost surely, 2^13277021873 is an apocalyptic number.

It is an amenable number.

13277021873 is a deficient number, since it is larger than the sum of its proper divisors (360809527).

13277021873 is an equidigital number, since it uses as much as digits as its factorization.

13277021873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51907.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 13277021873 in words is "thirteen billion, two hundred seventy-seven million, twenty-one thousand, eight hundred seventy-three".