12367897 has 2 divisors, whose sum is σ = 12367898. Its totient is φ = 12367896.

The previous prime is 12367889. The next prime is 12367919. The reversal of 12367897 is 79876321.

It is a happy number.

12367897 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11978521 + 389376 = 3461^2 + 624^2 .

It is a cyclic number.

It is not a de Polignac number, because 12367897 - 2³ = 12367889 is a prime.

It is not a weakly prime, because it can be changed into another prime (12367807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6183948 + 6183949.

It is an arithmetic number, because the mean of its divisors is an integer number (6183949).

Almost surely, 2^12367897 is an apocalyptic number.

It is an amenable number.

12367897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12367897 is an equidigital number, since it uses as much as digits as its factorization.

12367897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 43.

The square root of 12367897 is about 3516.8020984980. The cubic root of 12367897 is about 231.2589875251.

The spelling of 12367897 in words is "twelve million, three hundred sixty-seven thousand, eight hundred ninety-seven".