13306613 has 2 divisors, whose sum is σ = 13306614. Its totient is φ = 13306612.

The previous prime is 13306603. The next prime is 13306619. The reversal of 13306613 is 31660331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11437924 + 1868689 = 3382^2 + 1367^2 .

It is a cyclic number.

It is not a de Polignac number, because 13306613 - 2⁶ = 13306549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13306619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6653306 + 6653307.

It is an arithmetic number, because the mean of its divisors is an integer number (6653307).

Almost surely, 2^13306613 is an apocalyptic number.

It is an amenable number.

13306613 is a deficient number, since it is larger than the sum of its proper divisors (1).

13306613 is an equidigital number, since it uses as much as digits as its factorization.

13306613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 13306613 is about 3647.8230494365. The cubic root of 13306613 is about 236.9677120761.

Adding to 13306613 its reverse (31660331), we get a palindrome (44966944).

The spelling of 13306613 in words is "thirteen million, three hundred six thousand, six hundred thirteen".