12682394 has 4 divisors (see below), whose sum is σ = 19023594. Its totient is φ = 6341196.

The previous prime is 12682387. The next prime is 12682399. The reversal of 12682394 is 49328621.

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

It can be written as a sum of positive squares in only one way, i.e., 10080625 + 2601769 = 3175^2 + 1613^2 .

It is not an unprimeable number, because it can be changed into a prime (12682399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3170597 + ... + 3170600.

Almost surely, 2^12682394 is an apocalyptic number.

12682394 is a deficient number, since it is larger than the sum of its proper divisors (6341200).

12682394 is an equidigital number, since it uses as much as digits as its factorization.

12682394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6341199.

The product of its digits is 20736, while the sum is 35.

The square root of 12682394 is about 3561.2348981779. The cubic root of 12682394 is about 233.2027927411.

The spelling of 12682394 in words is "twelve million, six hundred eighty-two thousand, three hundred ninety-four".