13431017 has 2 divisors, whose sum is σ = 13431018. Its totient is φ = 13431016.

The previous prime is 13430993. The next prime is 13431053. The reversal of 13431017 is 71013431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12752041 + 678976 = 3571^2 + 824^2 .

It is a cyclic number.

It is not a de Polignac number, because 13431017 - 2⁶ = 13430953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13431017.

It is not a weakly prime, because it can be changed into another prime (13431217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715508 + 6715509.

It is an arithmetic number, because the mean of its divisors is an integer number (6715509).

Almost surely, 2^13431017 is an apocalyptic number.

It is an amenable number.

13431017 is a deficient number, since it is larger than the sum of its proper divisors (1).

13431017 is an equidigital number, since it uses as much as digits as its factorization.

13431017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 13431017 is about 3664.8351941117. The cubic root of 13431017 is about 237.7038958177.

Adding to 13431017 its reverse (71013431), we get a palindrome (84444448).

The spelling of 13431017 in words is "thirteen million, four hundred thirty-one thousand, seventeen".