11717137 has 2 divisors, whose sum is σ = 11717138. Its totient is φ = 11717136.

The previous prime is 11717099. The next prime is 11717159. The reversal of 11717137 is 73171711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8242641 + 3474496 = 2871^2 + 1864^2 .

It is a cyclic number.

It is not a de Polignac number, because 11717137 - 2⁷ = 11717009 is a prime.

It is not a weakly prime, because it can be changed into another prime (11717837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5858568 + 5858569.

It is an arithmetic number, because the mean of its divisors is an integer number (5858569).

Almost surely, 2^11717137 is an apocalyptic number.

It is an amenable number.

11717137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11717137 is an equidigital number, since it uses as much as digits as its factorization.

11717137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1029, while the sum is 28.

The square root of 11717137 is about 3423.0303825704. The cubic root of 11717137 is about 227.1296522373.

Adding to 11717137 its reverse (73171711), we get a palindrome (84888848).

The spelling of 11717137 in words is "eleven million, seven hundred seventeen thousand, one hundred thirty-seven".