11922193 has 2 divisors, whose sum is σ = 11922194. Its totient is φ = 11922192.

The previous prime is 11922121. The next prime is 11922221. The reversal of 11922193 is 39122911.

It is an a-pointer prime, because the next prime (11922221) can be obtained adding 11922193 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11888704 + 33489 = 3448^2 + 183^2 .

It is an emirp because it is prime and its reverse (39122911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11922193 is a prime.

It is not a weakly prime, because it can be changed into another prime (11922293) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5961096 + 5961097.

It is an arithmetic number, because the mean of its divisors is an integer number (5961097).

Almost surely, 2^11922193 is an apocalyptic number.

It is an amenable number.

11922193 is a deficient number, since it is larger than the sum of its proper divisors (1).

11922193 is an equidigital number, since it uses as much as digits as its factorization.

11922193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 28.

The square root of 11922193 is about 3452.8528784181. The cubic root of 11922193 is about 228.4469597438.

The spelling of 11922193 in words is "eleven million, nine hundred twenty-two thousand, one hundred ninety-three".