13000001 has 8 divisors (see below), whose sum is σ = 15109440. Its totient is φ = 10953648.

The previous prime is 12999997. The next prime is 13000027. The reversal of 13000001 is 10000031.

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 13000001 - 2² = 12999997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13000081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15326 + ... + 16151.

It is an arithmetic number, because the mean of its divisors is an integer number (1888680).

Almost surely, 2^13000001 is an apocalyptic number.

It is an amenable number.

13000001 is a deficient number, since it is larger than the sum of its proper divisors (2109439).

13000001 is an equidigital number, since it uses as much as digits as its factorization.

13000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31543.

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

The square root of 13000001 is about 3605.5514141390. The cubic root of 13000001 is about 235.1334748011.

Adding to 13000001 its reverse (10000031), we get a palindrome (23000032).

The spelling of 13000001 in words is "thirteen million, one", and thus it is an aban number and an uban number.