12746947 has 4 divisors (see below), whose sum is σ = 12788776. Its totient is φ = 12705120.

The previous prime is 12746939. The next prime is 12746953. The reversal of 12746947 is 74964721.

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 12746947 - 2³ = 12746939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12746047) 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, 20454 + ... + 21067.

It is an arithmetic number, because the mean of its divisors is an integer number (3197194).

Almost surely, 2^12746947 is an apocalyptic number.

12746947 is a deficient number, since it is larger than the sum of its proper divisors (41829).

12746947 is an equidigital number, since it uses as much as digits as its factorization.

12746947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41828.

The product of its digits is 84672, while the sum is 40.

The square root of 12746947 is about 3570.2866831671. The cubic root of 12746947 is about 233.5977883677.

It can be divided in two parts, 127 and 46947, that added together give a palindrome (47074).

The spelling of 12746947 in words is "twelve million, seven hundred forty-six thousand, nine hundred forty-seven".