12297947 has 2 divisors, whose sum is σ = 12297948. Its totient is φ = 12297946.

The previous prime is 12297941. The next prime is 12297977. The reversal of 12297947 is 74979221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12297947 - 2¹² = 12293851 is a prime.

It is not a weakly prime, because it can be changed into another prime (12297941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6148973 + 6148974.

It is an arithmetic number, because the mean of its divisors is an integer number (6148974).

Almost surely, 2^12297947 is an apocalyptic number.

12297947 is a deficient number, since it is larger than the sum of its proper divisors (1).

12297947 is an equidigital number, since it uses as much as digits as its factorization.

12297947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 41.

The square root of 12297947 is about 3506.8428821377. The cubic root of 12297947 is about 230.8221803257.

The spelling of 12297947 in words is "twelve million, two hundred ninety-seven thousand, nine hundred forty-seven".