12163973 has 2 divisors, whose sum is σ = 12163974. Its totient is φ = 12163972.

The previous prime is 12163961. The next prime is 12163979. The reversal of 12163973 is 37936121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8392609 + 3771364 = 2897^2 + 1942^2 .

It is an emirp because it is prime and its reverse (37936121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12163973 - 2¹² = 12159877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12163979) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081986 + 6081987.

It is an arithmetic number, because the mean of its divisors is an integer number (6081987).

Almost surely, 2^12163973 is an apocalyptic number.

It is an amenable number.

12163973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12163973 is an equidigital number, since it uses as much as digits as its factorization.

12163973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 32.

The square root of 12163973 is about 3487.6887762528. The cubic root of 12163973 is about 229.9809246940.

The spelling of 12163973 in words is "twelve million, one hundred sixty-three thousand, nine hundred seventy-three".