13247417 has 2 divisors, whose sum is σ = 13247418. Its totient is φ = 13247416.

The previous prime is 13247413. The next prime is 13247453. The reversal of 13247417 is 71474231.

13247417 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., 11162281 + 2085136 = 3341^2 + 1444^2 .

It is an emirp because it is prime and its reverse (71474231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13247417 - 2² = 13247413 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13247417.

It is not a weakly prime, because it can be changed into another prime (13247413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6623708 + 6623709.

It is an arithmetic number, because the mean of its divisors is an integer number (6623709).

Almost surely, 2^13247417 is an apocalyptic number.

It is an amenable number.

13247417 is a deficient number, since it is larger than the sum of its proper divisors (1).

13247417 is an equidigital number, since it uses as much as digits as its factorization.

13247417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 29.

The square root of 13247417 is about 3639.7001250103. The cubic root of 13247417 is about 236.6157969973.

The spelling of 13247417 in words is "thirteen million, two hundred forty-seven thousand, four hundred seventeen".