12680247 has 8 divisors (see below), whose sum is σ = 17074800. Its totient is φ = 8369600.

The previous prime is 12680243. The next prime is 12680251. The reversal of 12680247 is 74208621.

It is an interprime number because it is at equal distance from previous prime (12680243) and next prime (12680251).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12680247 - 2² = 12680243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12680243) 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 7 ways as a sum of consecutive naturals, for example, 20622 + ... + 21227.

It is an arithmetic number, because the mean of its divisors is an integer number (2134350).

Almost surely, 2^12680247 is an apocalyptic number.

12680247 is a deficient number, since it is larger than the sum of its proper divisors (4394553).

12680247 is a wasteful number, since it uses less digits than its factorization.

12680247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41953.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 12680247 is about 3560.9334450394. The cubic root of 12680247 is about 233.1896323800.

Adding to 12680247 its reverse (74208621), we get a palindrome (86888868).

The spelling of 12680247 in words is "twelve million, six hundred eighty thousand, two hundred forty-seven".