13542817 has 2 divisors, whose sum is σ = 13542818. Its totient is φ = 13542816.

The previous prime is 13542811. The next prime is 13542821. The reversal of 13542817 is 71824531.

13542817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8946081 + 4596736 = 2991^2 + 2144^2 .

It is an emirp because it is prime and its reverse (71824531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13542817 - 2⁷ = 13542689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13542811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771408 + 6771409.

It is an arithmetic number, because the mean of its divisors is an integer number (6771409).

Almost surely, 2^13542817 is an apocalyptic number.

It is an amenable number.

13542817 is a deficient number, since it is larger than the sum of its proper divisors (1).

13542817 is an equidigital number, since it uses as much as digits as its factorization.

13542817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 13542817 is about 3680.0566571725. The cubic root of 13542817 is about 238.3616245397.

The spelling of 13542817 in words is "thirteen million, five hundred forty-two thousand, eight hundred seventeen".