12680647 has 8 divisors (see below), whose sum is σ = 14800896. Its totient is φ = 10637592.

The previous prime is 12680641. The next prime is 12680653. The reversal of 12680647 is 74608621.

It is an interprime number because it is at equal distance from previous prime (12680641) and next prime (12680653).

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

It is not a de Polignac number, because 12680647 - 2¹⁹ = 12156359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12680641) 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, 18943 + ... + 19600.

It is an arithmetic number, because the mean of its divisors is an integer number (1850112).

Almost surely, 2^12680647 is an apocalyptic number.

12680647 is a deficient number, since it is larger than the sum of its proper divisors (2120249).

12680647 is an equidigital number, since it uses as much as digits as its factorization.

12680647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38597.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 12680647 is about 3560.9896096450. The cubic root of 12680647 is about 233.1920843531.

The spelling of 12680647 in words is "twelve million, six hundred eighty thousand, six hundred forty-seven".