12305197 has 2 divisors, whose sum is σ = 12305198. Its totient is φ = 12305196.

The previous prime is 12305191. The next prime is 12305213. The reversal of 12305197 is 79150321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10361961 + 1943236 = 3219^2 + 1394^2 .

It is a cyclic number.

It is not a de Polignac number, because 12305197 - 2¹¹ = 12303149 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 (12305191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6152598 + 6152599.

It is an arithmetic number, because the mean of its divisors is an integer number (6152599).

Almost surely, 2^12305197 is an apocalyptic number.

It is an amenable number.

12305197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12305197 is an equidigital number, since it uses as much as digits as its factorization.

12305197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 12305197 is about 3507.8764231369. The cubic root of 12305197 is about 230.8675302274.

The spelling of 12305197 in words is "twelve million, three hundred five thousand, one hundred ninety-seven".