12682946 has 4 divisors (see below), whose sum is σ = 19024422. Its totient is φ = 6341472.

The previous prime is 12682933. The next prime is 12682949. The reversal of 12682946 is 64928621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64928621 = 5347 ⋅12143.

It can be written as a sum of positive squares in only one way, i.e., 7230721 + 5452225 = 2689^2 + 2335^2 .

It is not an unprimeable number, because it can be changed into a prime (12682949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3170735 + ... + 3170738.

Almost surely, 2^12682946 is an apocalyptic number.

12682946 is a deficient number, since it is larger than the sum of its proper divisors (6341476).

12682946 is an equidigital number, since it uses as much as digits as its factorization.

12682946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6341475.

The product of its digits is 41472, while the sum is 38.

The square root of 12682946 is about 3561.3123985407. The cubic root of 12682946 is about 233.2061760685.

The spelling of 12682946 in words is "twelve million, six hundred eighty-two thousand, nine hundred forty-six".