11800073 has 2 divisors, whose sum is σ = 11800074. Its totient is φ = 11800072.

The previous prime is 11800069. The next prime is 11800093. The reversal of 11800073 is 37000811.

It is an a-pointer prime, because the next prime (11800093) can be obtained adding 11800073 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7907344 + 3892729 = 2812^2 + 1973^2 .

It is an emirp because it is prime and its reverse (37000811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11800073 - 2² = 11800069 is a prime.

It is not a weakly prime, because it can be changed into another prime (11800043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5900036 + 5900037.

It is an arithmetic number, because the mean of its divisors is an integer number (5900037).

Almost surely, 2^11800073 is an apocalyptic number.

It is an amenable number.

11800073 is a deficient number, since it is larger than the sum of its proper divisors (1).

11800073 is an equidigital number, since it uses as much as digits as its factorization.

11800073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 11800073 is about 3435.1234330079. The cubic root of 11800073 is about 227.6642809715.

Adding to 11800073 its reverse (37000811), we get a palindrome (48800884).

The spelling of 11800073 in words is "eleven million, eight hundred thousand, seventy-three".