13616137 has 2 divisors, whose sum is σ = 13616138. Its totient is φ = 13616136.

The previous prime is 13616129. The next prime is 13616147. The reversal of 13616137 is 73161631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13220496 + 395641 = 3636^2 + 629^2 .

It is a cyclic number.

It is not a de Polignac number, because 13616137 - 2³ = 13616129 is a prime.

It is not a weakly prime, because it can be changed into another prime (13616107) 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, 6808068 + 6808069.

It is an arithmetic number, because the mean of its divisors is an integer number (6808069).

Almost surely, 2^13616137 is an apocalyptic number.

It is an amenable number.

13616137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13616137 is an equidigital number, since it uses as much as digits as its factorization.

13616137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 28.

The square root of 13616137 is about 3690.0050135467. The cubic root of 13616137 is about 238.7910091010.

Adding to 13616137 its reverse (73161631), we get a palindrome (86777768).

The spelling of 13616137 in words is "thirteen million, six hundred sixteen thousand, one hundred thirty-seven".