13700017 has 2 divisors, whose sum is σ = 13700018. Its totient is φ = 13700016.

The previous prime is 13700009. The next prime is 13700021. The reversal of 13700017 is 71000731.

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., 13660416 + 39601 = 3696^2 + 199^2 .

It is an emirp because it is prime and its reverse (71000731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13700017 - 2³ = 13700009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13699967 and 13700003.

It is not a weakly prime, because it can be changed into another prime (13700087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6850008 + 6850009.

It is an arithmetic number, because the mean of its divisors is an integer number (6850009).

Almost surely, 2^13700017 is an apocalyptic number.

It is an amenable number.

13700017 is a deficient number, since it is larger than the sum of its proper divisors (1).

13700017 is an equidigital number, since it uses as much as digits as its factorization.

13700017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147, while the sum is 19.

The square root of 13700017 is about 3701.3534011224. The cubic root of 13700017 is about 239.2803500436.

Adding to 13700017 its reverse (71000731), we get a palindrome (84700748).

The spelling of 13700017 in words is "thirteen million, seven hundred thousand, seventeen".