13266413 has 2 divisors, whose sum is σ = 13266414. Its totient is φ = 13266412.

The previous prime is 13266397. The next prime is 13266431. The reversal of 13266413 is 31466231.

Together with next prime (13266431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6646084 + 6620329 = 2578^2 + 2573^2 .

It is a cyclic number.

It is not a de Polignac number, because 13266413 - 2⁴ = 13266397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13266433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6633206 + 6633207.

It is an arithmetic number, because the mean of its divisors is an integer number (6633207).

Almost surely, 2^13266413 is an apocalyptic number.

It is an amenable number.

13266413 is a deficient number, since it is larger than the sum of its proper divisors (1).

13266413 is an equidigital number, since it uses as much as digits as its factorization.

13266413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 13266413 is about 3642.3087458369. The cubic root of 13266413 is about 236.7288405938.

The spelling of 13266413 in words is "thirteen million, two hundred sixty-six thousand, four hundred thirteen".