11808497 has 2 divisors, whose sum is σ = 11808498. Its totient is φ = 11808496.

The previous prime is 11808487. The next prime is 11808509. The reversal of 11808497 is 79480811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11806096 + 2401 = 3436^2 + 49^2 .

It is a cyclic number.

It is not a de Polignac number, because 11808497 - 2¹⁰ = 11807473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11808497.

It is not a weakly prime, because it can be changed into another prime (11808487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5904248 + 5904249.

It is an arithmetic number, because the mean of its divisors is an integer number (5904249).

Almost surely, 2^11808497 is an apocalyptic number.

It is an amenable number.

11808497 is a deficient number, since it is larger than the sum of its proper divisors (1).

11808497 is an equidigital number, since it uses as much as digits as its factorization.

11808497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 11808497 is about 3436.3493710623. The cubic root of 11808497 is about 227.7184441309.

The spelling of 11808497 in words is "eleven million, eight hundred eight thousand, four hundred ninety-seven".