12873697 has 4 divisors (see below), whose sum is σ = 13551280. Its totient is φ = 12196116.

The previous prime is 12873691. The next prime is 12873703. The reversal of 12873697 is 79637821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79637821 = 821 ⋅97001.

It is an interprime number because it is at equal distance from previous prime (12873691) and next prime (12873703).

It is a cyclic number.

It is not a de Polignac number, because 12873697 - 2³ = 12873689 is a prime.

It is a Duffinian number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338763 + ... + 338800.

It is an arithmetic number, because the mean of its divisors is an integer number (3387820).

Almost surely, 2^12873697 is an apocalyptic number.

It is an amenable number.

12873697 is a deficient number, since it is larger than the sum of its proper divisors (677583).

12873697 is an equidigital number, since it uses as much as digits as its factorization.

12873697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677582.

The product of its digits is 127008, while the sum is 43.

The square root of 12873697 is about 3587.9934503842. The cubic root of 12873697 is about 234.3695004813.

The spelling of 12873697 in words is "twelve million, eight hundred seventy-three thousand, six hundred ninety-seven".