12497866 has 16 divisors (see below), whose sum is σ = 19336968. Its totient is φ = 6054400.

The previous prime is 12497861. The next prime is 12497893. The reversal of 12497866 is 66879421.

It can be written as a sum of positive squares in 4 ways, for example, as 8381025 + 4116841 = 2895^2 + 2029^2 .

It is not an unprimeable number, because it can be changed into a prime (12497861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13746 + ... + 14626.

Almost surely, 2^12497866 is an apocalyptic number.

12497866 is a deficient number, since it is larger than the sum of its proper divisors (6839102).

12497866 is a wasteful number, since it uses less digits than its factorization.

12497866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097.

The product of its digits is 145152, while the sum is 43.

The square root of 12497866 is about 3535.2320998769. The cubic root of 12497866 is about 232.0662340616.

The spelling of 12497866 in words is "twelve million, four hundred ninety-seven thousand, eight hundred sixty-six".