11173973 has 2 divisors, whose sum is σ = 11173974. Its totient is φ = 11173972.

The previous prime is 11173969. The next prime is 11173993. The reversal of 11173973 is 37937111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9591409 + 1582564 = 3097^2 + 1258^2 .

It is an emirp because it is prime and its reverse (37937111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11173973 - 2² = 11173969 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11173993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5586986 + 5586987.

It is an arithmetic number, because the mean of its divisors is an integer number (5586987).

Almost surely, 2^11173973 is an apocalyptic number.

It is an amenable number.

11173973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11173973 is an equidigital number, since it uses as much as digits as its factorization.

11173973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969, while the sum is 32.

The square root of 11173973 is about 3342.7493175528. The cubic root of 11173973 is about 223.5643437735.

The spelling of 11173973 in words is "eleven million, one hundred seventy-three thousand, nine hundred seventy-three".