12708947 has 4 divisors (see below), whose sum is σ = 12787080. Its totient is φ = 12630816.

The previous prime is 12708937. The next prime is 12708961. The reversal of 12708947 is 74980721.

12708947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12708947 - 2⁸ = 12708691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12708947.

It is not an unprimeable number, because it can be changed into a prime (12708937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38822 + ... + 39147.

It is an arithmetic number, because the mean of its divisors is an integer number (3196770).

Almost surely, 2^12708947 is an apocalyptic number.

12708947 is a deficient number, since it is larger than the sum of its proper divisors (78133).

12708947 is an equidigital number, since it uses as much as digits as its factorization.

12708947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78132.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 12708947 is about 3564.9610096045. The cubic root of 12708947 is about 233.3654307319.

The spelling of 12708947 in words is "twelve million, seven hundred eight thousand, nine hundred forty-seven".