12049897 has 2 divisors, whose sum is σ = 12049898. Its totient is φ = 12049896.

The previous prime is 12049853. The next prime is 12049903. The reversal of 12049897 is 79894021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9603801 + 2446096 = 3099^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 12049897 - 2¹⁵ = 12017129 is a prime.

It is not a weakly prime, because it can be changed into another prime (12049997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6024948 + 6024949.

It is an arithmetic number, because the mean of its divisors is an integer number (6024949).

Almost surely, 2^12049897 is an apocalyptic number.

It is an amenable number.

12049897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12049897 is an equidigital number, since it uses as much as digits as its factorization.

12049897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 12049897 is about 3471.2961556168. The cubic root of 12049897 is about 229.2597308555.

The spelling of 12049897 in words is "twelve million, forty-nine thousand, eight hundred ninety-seven".