13000000001 has 4 divisors (see below), whose sum is σ = 13000931412. Its totient is φ = 12999068592.

The previous prime is 12999999959. The next prime is 13000000073. The reversal of 13000000001 is 10000000031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10000000031 = 7 ⋅1428571433.

It can be written as a sum of positive squares in 2 ways, for example, as 8523720976 + 4476279025 = 92324^2 + 66905^2 .

It is a cyclic number.

It is not a de Polignac number, because 13000000001 - 2³⁰ = 11926258177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13000000501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444446 + ... + 472791.

It is an arithmetic number, because the mean of its divisors is an integer number (3250232853).

Almost surely, 2^13000000001 is an apocalyptic number.

It is an amenable number.

13000000001 is a deficient number, since it is larger than the sum of its proper divisors (931411).

13000000001 is an equidigital number, since it uses as much as digits as its factorization.

13000000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931410.

The product of its (nonzero) digits is 3, while the sum is 5.

Adding to 13000000001 its reverse (10000000031), we get a palindrome (23000000032).

The spelling of 13000000001 in words is "thirteen billion, one", and thus it is an aban number and an uban number.