12873047 has 4 divisors (see below), whose sum is σ = 14043336. Its totient is φ = 11702760.

The previous prime is 12873041. The next prime is 12873059. The reversal of 12873047 is 74037821.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12873047 - 2⁶ = 12872983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12873041) 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, 585128 + ... + 585149.

It is an arithmetic number, because the mean of its divisors is an integer number (3510834).

Almost surely, 2^12873047 is an apocalyptic number.

12873047 is a deficient number, since it is larger than the sum of its proper divisors (1170289).

12873047 is a wasteful number, since it uses less digits than its factorization.

12873047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170288.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 12873047 is about 3587.9028693653. The cubic root of 12873047 is about 234.3655559335.

It can be divided in two parts, 1287 and 3047, that added together give a palindrome (4334).

The spelling of 12873047 in words is "twelve million, eight hundred seventy-three thousand, forty-seven".