13216337 has 2 divisors, whose sum is σ = 13216338. Its totient is φ = 13216336.

The previous prime is 13216331. The next prime is 13216369. The reversal of 13216337 is 73361231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10086976 + 3129361 = 3176^2 + 1769^2 .

It is a cyclic number.

It is not a de Polignac number, because 13216337 - 2⁸ = 13216081 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13216331) 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, 6608168 + 6608169.

It is an arithmetic number, because the mean of its divisors is an integer number (6608169).

Almost surely, 2^13216337 is an apocalyptic number.

It is an amenable number.

13216337 is a deficient number, since it is larger than the sum of its proper divisors (1).

13216337 is an equidigital number, since it uses as much as digits as its factorization.

13216337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 26.

The square root of 13216337 is about 3635.4280353213. The cubic root of 13216337 is about 236.4306092582.

Adding to 13216337 its reverse (73361231), we get a palindrome (86577568).

The spelling of 13216337 in words is "thirteen million, two hundred sixteen thousand, three hundred thirty-seven".