13001326066 has 8 divisors (see below), whose sum is σ = 19538038764. Its totient is φ = 6488646480.

The previous prime is 13001326057. The next prime is 13001326097. The reversal of 13001326066 is 66062310031.

It can be written as a sum of positive squares in 2 ways, for example, as 12922915041 + 78411025 = 113679^2 + 8855^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6006925 + ... + 6009088.

Almost surely, 2^13001326066 is an apocalyptic number.

13001326066 is a deficient number, since it is larger than the sum of its proper divisors (6536712698).

13001326066 is a wasteful number, since it uses less digits than its factorization.

13001326066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12016556.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 13001326066 its reverse (66062310031), we get a palindrome (79063636097).

The spelling of 13001326066 in words is "thirteen billion, one million, three hundred twenty-six thousand, sixty-six".