13240002001 has 2 divisors, whose sum is σ = 13240002002. Its totient is φ = 13240002000.

The previous prime is 13240001977. The next prime is 13240002023. The reversal of 13240002001 is 10020004231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12965238225 + 274763776 = 113865^2 + 16576^2 .

It is a cyclic number.

It is not a de Polignac number, because 13240002001 - 2¹¹ = 13239999953 is a prime.

It is not a weakly prime, because it can be changed into another prime (13240002031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620001000 + 6620001001.

It is an arithmetic number, because the mean of its divisors is an integer number (6620001001).

Almost surely, 2^13240002001 is an apocalyptic number.

It is an amenable number.

13240002001 is a deficient number, since it is larger than the sum of its proper divisors (1).

13240002001 is an equidigital number, since it uses as much as digits as its factorization.

13240002001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 13240002001 its reverse (10020004231), we get a palindrome (23260006232).

The spelling of 13240002001 in words is "thirteen billion, two hundred forty million, two thousand, one".