13456613 has 2 divisors, whose sum is σ = 13456614. Its totient is φ = 13456612.

The previous prime is 13456607. The next prime is 13456631. The reversal of 13456613 is 31665431.

It is a happy number.

Together with next prime (13456631) 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., 9138529 + 4318084 = 3023^2 + 2078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13456613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13456603) 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, 6728306 + 6728307.

It is an arithmetic number, because the mean of its divisors is an integer number (6728307).

Almost surely, 2^13456613 is an apocalyptic number.

It is an amenable number.

13456613 is a deficient number, since it is larger than the sum of its proper divisors (1).

13456613 is an equidigital number, since it uses as much as digits as its factorization.

13456613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 13456613 is about 3668.3256398526. The cubic root of 13456613 is about 237.8548004488.

The spelling of 13456613 in words is "thirteen million, four hundred fifty-six thousand, six hundred thirteen".