13346857 has 2 divisors, whose sum is σ = 13346858. Its totient is φ = 13346856.

The previous prime is 13346789. The next prime is 13346863. The reversal of 13346857 is 75864331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13278736 + 68121 = 3644^2 + 261^2 .

It is an emirp because it is prime and its reverse (75864331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13346857 - 2¹¹ = 13344809 is a prime.

It is not a weakly prime, because it can be changed into another prime (13346867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6673428 + 6673429.

It is an arithmetic number, because the mean of its divisors is an integer number (6673429).

Almost surely, 2^13346857 is an apocalyptic number.

It is an amenable number.

13346857 is a deficient number, since it is larger than the sum of its proper divisors (1).

13346857 is an equidigital number, since it uses as much as digits as its factorization.

13346857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 13346857 is about 3653.3350517028. The cubic root of 13346857 is about 237.2063636087.

The spelling of 13346857 in words is "thirteen million, three hundred forty-six thousand, eight hundred fifty-seven".