12295397 has 2 divisors, whose sum is σ = 12295398. Its totient is φ = 12295396.

The previous prime is 12295321. The next prime is 12295399. The reversal of 12295397 is 79359221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11519236 + 776161 = 3394^2 + 881^2 .

It is an emirp because it is prime and its reverse (79359221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12295397 - 2¹⁴ = 12279013 is a prime.

Together with 12295399, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12295397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12295399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6147698 + 6147699.

It is an arithmetic number, because the mean of its divisors is an integer number (6147699).

Almost surely, 2^12295397 is an apocalyptic number.

It is an amenable number.

12295397 is a deficient number, since it is larger than the sum of its proper divisors (1).

12295397 is an equidigital number, since it uses as much as digits as its factorization.

12295397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 12295397 is about 3506.4792884031. The cubic root of 12295397 is about 230.8062254337.

The spelling of 12295397 in words is "twelve million, two hundred ninety-five thousand, three hundred ninety-seven".