12709894 has 4 divisors (see below), whose sum is σ = 19064844. Its totient is φ = 6354946.

The previous prime is 12709883. The next prime is 12709903. The reversal of 12709894 is 49890721.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3177472 + ... + 3177475.

It is an arithmetic number, because the mean of its divisors is an integer number (4766211).

Almost surely, 2^12709894 is an apocalyptic number.

12709894 is a deficient number, since it is larger than the sum of its proper divisors (6354950).

12709894 is an equidigital number, since it uses as much as digits as its factorization.

12709894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354949.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 12709894 is about 3565.0938276573. The cubic root of 12709894 is about 233.3712269523.

The spelling of 12709894 in words is "twelve million, seven hundred nine thousand, eight hundred ninety-four".