12873147 has 8 divisors (see below), whose sum is σ = 19616256. Its totient is φ = 7356072.

The previous prime is 12873083. The next prime is 12873149. The reversal of 12873147 is 74137821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12873147 - 2⁶ = 12873083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12873149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306483 + ... + 306524.

It is an arithmetic number, because the mean of its divisors is an integer number (2452032).

Almost surely, 2^12873147 is an apocalyptic number.

12873147 is a deficient number, since it is larger than the sum of its proper divisors (6743109).

12873147 is an equidigital number, since it uses as much as digits as its factorization.

12873147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613017.

The product of its digits is 9408, while the sum is 33.

The square root of 12873147 is about 3587.9168050555. The cubic root of 12873147 is about 234.3661627957.

It can be divided in two parts, 128731 and 47, that added together give a triangular number (128778 = T₅₀₇).

The spelling of 12873147 in words is "twelve million, eight hundred seventy-three thousand, one hundred forty-seven".