13422517 has 2 divisors, whose sum is σ = 13422518. Its totient is φ = 13422516.

The previous prime is 13422509. The next prime is 13422533. The reversal of 13422517 is 71522431.

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., 10817521 + 2604996 = 3289^2 + 1614^2 .

It is a cyclic number.

It is not a de Polignac number, because 13422517 - 2³ = 13422509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13422491 and 13422500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13422817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6711258 + 6711259.

It is an arithmetic number, because the mean of its divisors is an integer number (6711259).

Almost surely, 2^13422517 is an apocalyptic number.

It is an amenable number.

13422517 is a deficient number, since it is larger than the sum of its proper divisors (1).

13422517 is an equidigital number, since it uses as much as digits as its factorization.

13422517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 13422517 is about 3663.6753404198. The cubic root of 13422517 is about 237.6537405318.

Adding to 13422517 its reverse (71522431), we get a palindrome (84944948).

The spelling of 13422517 in words is "thirteen million, four hundred twenty-two thousand, five hundred seventeen".