12775147 has 16 divisors (see below), whose sum is σ = 16015104. Its totient is φ = 9900000.

The previous prime is 12775141. The next prime is 12775151. The reversal of 12775147 is 74157721.

It is a de Polignac number, because none of the positive numbers 2^k-12775147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12775141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18997 + ... + 19657.

It is an arithmetic number, because the mean of its divisors is an integer number (1000944).

Almost surely, 2^12775147 is an apocalyptic number.

12775147 is a deficient number, since it is larger than the sum of its proper divisors (3239957).

12775147 is a wasteful number, since it uses less digits than its factorization.

12775147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930.

The product of its digits is 13720, while the sum is 34.

The square root of 12775147 is about 3574.2337640395. The cubic root of 12775147 is about 233.7699238548.

The spelling of 12775147 in words is "twelve million, seven hundred seventy-five thousand, one hundred forty-seven".