12497969 has 6 divisors (see below), whose sum is σ = 13737570. Its totient is φ = 11361680.

The previous prime is 12497951. The next prime is 12497987. The reversal of 12497969 is 96979421.

It is an interprime number because it is at equal distance from previous prime (12497951) and next prime (12497987).

It can be written as a sum of positive squares in only one way, i.e., 7263025 + 5234944 = 2695^2 + 2288^2 .

It is not a de Polignac number, because 12497969 - 2⁸ = 12497713 is a prime.

It is a super-2 number, since 2×12497969² = 312398458249922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12497909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51524 + ... + 51765.

It is an arithmetic number, because the mean of its divisors is an integer number (2289595).

Almost surely, 2^12497969 is an apocalyptic number.

It is an amenable number.

12497969 is a deficient number, since it is larger than the sum of its proper divisors (1239601).

12497969 is a wasteful number, since it uses less digits than its factorization.

12497969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103311 (or 103300 counting only the distinct ones).

The product of its digits is 244944, while the sum is 47.

The square root of 12497969 is about 3535.2466674901. The cubic root of 12497969 is about 232.0668715773.

The spelling of 12497969 in words is "twelve million, four hundred ninety-seven thousand, nine hundred sixty-nine".