11399173 has 2 divisors, whose sum is σ = 11399174. Its totient is φ = 11399172.

The previous prime is 11399161. The next prime is 11399203. The reversal of 11399173 is 37199311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9229444 + 2169729 = 3038^2 + 1473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11399173 is a prime.

It is a super-2 number, since 2×11399173² = 259882290167858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11399123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5699586 + 5699587.

It is an arithmetic number, because the mean of its divisors is an integer number (5699587).

Almost surely, 2^11399173 is an apocalyptic number.

It is an amenable number.

11399173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11399173 is an equidigital number, since it uses as much as digits as its factorization.

11399173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5103, while the sum is 34.

The square root of 11399173 is about 3376.2661328752. The cubic root of 11399173 is about 225.0562690544.

The spelling of 11399173 in words is "eleven million, three hundred ninety-nine thousand, one hundred seventy-three".