13281017 has 2 divisors, whose sum is σ = 13281018. Its totient is φ = 13281016.

The previous prime is 13281001. The next prime is 13281031. The reversal of 13281017 is 71018231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12138256 + 1142761 = 3484^2 + 1069^2 .

It is a cyclic number.

It is not a de Polignac number, because 13281017 - 2⁴ = 13281001 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13280983 and 13281001.

It is not a weakly prime, because it can be changed into another prime (13281517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6640508 + 6640509.

It is an arithmetic number, because the mean of its divisors is an integer number (6640509).

Almost surely, 2^13281017 is an apocalyptic number.

It is an amenable number.

13281017 is a deficient number, since it is larger than the sum of its proper divisors (1).

13281017 is an equidigital number, since it uses as much as digits as its factorization.

13281017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 13281017 is about 3644.3129668018. The cubic root of 13281017 is about 236.8156744194.

Adding to 13281017 its reverse (71018231), we get a palindrome (84299248).

The spelling of 13281017 in words is "thirteen million, two hundred eighty-one thousand, seventeen".