13326613 has 2 divisors, whose sum is σ = 13326614. Its totient is φ = 13326612.

The previous prime is 13326611. The next prime is 13326653. The reversal of 13326613 is 31662331.

13326613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11881809 + 1444804 = 3447^2 + 1202^2 .

It is a cyclic number.

It is not a de Polignac number, because 13326613 - 2¹ = 13326611 is a prime.

It is a super-2 number, since 2×13326613² = 355197228103538, which contains 22 as substring.

Together with 13326611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13326611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6663306 + 6663307.

It is an arithmetic number, because the mean of its divisors is an integer number (6663307).

Almost surely, 2^13326613 is an apocalyptic number.

It is an amenable number.

13326613 is a deficient number, since it is larger than the sum of its proper divisors (1).

13326613 is an equidigital number, since it uses as much as digits as its factorization.

13326613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 25.

The square root of 13326613 is about 3650.5633811783. The cubic root of 13326613 is about 237.0863744231.

Adding to 13326613 its reverse (31662331), we get a palindrome (44988944).

The spelling of 13326613 in words is "thirteen million, three hundred twenty-six thousand, six hundred thirteen".