12773147 has 4 divisors (see below), whose sum is σ = 13185216. Its totient is φ = 12361080.

The previous prime is 12773129. The next prime is 12773161. The reversal of 12773147 is 74137721.

12773147 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12773147 - 2⁶ = 12773083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12773447) 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, 205988 + ... + 206049.

It is an arithmetic number, because the mean of its divisors is an integer number (3296304).

Almost surely, 2^12773147 is an apocalyptic number.

12773147 is a deficient number, since it is larger than the sum of its proper divisors (412069).

12773147 is an equidigital number, since it uses as much as digits as its factorization.

12773147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412068.

The product of its digits is 8232, while the sum is 32.

The square root of 12773147 is about 3573.9539728430. The cubic root of 12773147 is about 233.7577240148.

The spelling of 12773147 in words is "twelve million, seven hundred seventy-three thousand, one hundred forty-seven".