13797137 has 2 divisors, whose sum is σ = 13797138. Its totient is φ = 13797136.

The previous prime is 13797107. The next prime is 13797143. The reversal of 13797137 is 73179731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11498881 + 2298256 = 3391^2 + 1516^2 .

It is a cyclic number.

It is not a de Polignac number, because 13797137 - 2¹² = 13793041 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13797137.

It is not a weakly prime, because it can be changed into another prime (13797107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6898568 + 6898569.

It is an arithmetic number, because the mean of its divisors is an integer number (6898569).

Almost surely, 2^13797137 is an apocalyptic number.

It is an amenable number.

13797137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13797137 is an equidigital number, since it uses as much as digits as its factorization.

13797137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27783, while the sum is 38.

The square root of 13797137 is about 3714.4497573665. The cubic root of 13797137 is about 239.8444420197.

The spelling of 13797137 in words is "thirteen million, seven hundred ninety-seven thousand, one hundred thirty-seven".