13163537 has 2 divisors, whose sum is σ = 13163538. Its totient is φ = 13163536.

The previous prime is 13163497. The next prime is 13163573. The reversal of 13163537 is 73536131.

It is a happy number.

Together with next prime (13163573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11999296 + 1164241 = 3464^2 + 1079^2 .

It is a cyclic number.

It is not a de Polignac number, because 13163537 - 2⁸ = 13163281 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13163597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6581768 + 6581769.

It is an arithmetic number, because the mean of its divisors is an integer number (6581769).

Almost surely, 2^13163537 is an apocalyptic number.

It is an amenable number.

13163537 is a deficient number, since it is larger than the sum of its proper divisors (1).

13163537 is an equidigital number, since it uses as much as digits as its factorization.

13163537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 29.

The square root of 13163537 is about 3628.1588994971. The cubic root of 13163537 is about 236.1153379061.

Adding to 13163537 its reverse (73536131), we get a palindrome (86699668).

The spelling of 13163537 in words is "thirteen million, one hundred sixty-three thousand, five hundred thirty-seven".