13265360021 has 8 divisors (see below), whose sum is σ = 13417891200. Its totient is φ = 13112906400.

The previous prime is 13265359993. The next prime is 13265360029. The reversal of 13265360021 is 12006356231.

13265360021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13265360021 - 2¹⁸ = 13265097877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13265360029) 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 7 ways as a sum of consecutive naturals, for example, 368996 + ... + 403346.

It is an arithmetic number, because the mean of its divisors is an integer number (1677236400).

Almost surely, 2^13265360021 is an apocalyptic number.

It is an amenable number.

13265360021 is a deficient number, since it is larger than the sum of its proper divisors (152531179).

13265360021 is an equidigital number, since it uses as much as digits as its factorization.

13265360021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38779.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 13265360021 in words is "thirteen billion, two hundred sixty-five million, three hundred sixty thousand, twenty-one".