13449617 has 2 divisors, whose sum is σ = 13449618. Its totient is φ = 13449616.

The previous prime is 13449607. The next prime is 13449677. The reversal of 13449617 is 71694431.

13449617 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., 9759376 + 3690241 = 3124^2 + 1921^2 .

It is an emirp because it is prime and its reverse (71694431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13449617 - 2⁸ = 13449361 is a prime.

It is not a weakly prime, because it can be changed into another prime (13449607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6724808 + 6724809.

It is an arithmetic number, because the mean of its divisors is an integer number (6724809).

Almost surely, 2^13449617 is an apocalyptic number.

It is an amenable number.

13449617 is a deficient number, since it is larger than the sum of its proper divisors (1).

13449617 is an equidigital number, since it uses as much as digits as its factorization.

13449617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 13449617 is about 3667.3719473214. The cubic root of 13449617 is about 237.8135736151.

The spelling of 13449617 in words is "thirteen million, four hundred forty-nine thousand, six hundred seventeen".