12270173 has 2 divisors, whose sum is σ = 12270174. Its totient is φ = 12270172.

The previous prime is 12270169. The next prime is 12270197. The reversal of 12270173 is 37107221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11276164 + 994009 = 3358^2 + 997^2 .

It is an emirp because it is prime and its reverse (37107221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12270173 - 2² = 12270169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12270113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6135086 + 6135087.

It is an arithmetic number, because the mean of its divisors is an integer number (6135087).

Almost surely, 2^12270173 is an apocalyptic number.

It is an amenable number.

12270173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12270173 is an equidigital number, since it uses as much as digits as its factorization.

12270173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 12270173 is about 3502.8806716758. The cubic root of 12270173 is about 230.6482844321.

Adding to 12270173 its reverse (37107221), we get a palindrome (49377394).

The spelling of 12270173 in words is "twelve million, two hundred seventy thousand, one hundred seventy-three".