12873694 has 4 divisors (see below), whose sum is σ = 19310544. Its totient is φ = 6436846.

The previous prime is 12873691. The next prime is 12873703. The reversal of 12873694 is 49637821.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12873691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3218422 + ... + 3218425.

It is an arithmetic number, because the mean of its divisors is an integer number (4827636).

Almost surely, 2^12873694 is an apocalyptic number.

12873694 is a deficient number, since it is larger than the sum of its proper divisors (6436850).

12873694 is an equidigital number, since it uses as much as digits as its factorization.

12873694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436849.

The product of its digits is 72576, while the sum is 40.

The square root of 12873694 is about 3587.9930323232. The cubic root of 12873694 is about 234.3694822760.

The spelling of 12873694 in words is "twelve million, eight hundred seventy-three thousand, six hundred ninety-four".