12196957 has 2 divisors, whose sum is σ = 12196958. Its totient is φ = 12196956.

The previous prime is 12196949. The next prime is 12196997. The reversal of 12196957 is 75969121.

12196957 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12196997) can be obtained adding 12196957 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10106041 + 2090916 = 3179^2 + 1446^2 .

It is an emirp because it is prime and its reverse (75969121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12196957 - 2³ = 12196949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12196997) 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, 6098478 + 6098479.

It is an arithmetic number, because the mean of its divisors is an integer number (6098479).

Almost surely, 2^12196957 is an apocalyptic number.

It is an amenable number.

12196957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12196957 is an equidigital number, since it uses as much as digits as its factorization.

12196957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 40.

The square root of 12196957 is about 3492.4142079656. The cubic root of 12196957 is about 230.1886102542.

The spelling of 12196957 in words is "twelve million, one hundred ninety-six thousand, nine hundred fifty-seven".