12750275 has 12 divisors (see below), whose sum is σ = 15958800. Its totient is φ = 10104480.

The previous prime is 12750271. The next prime is 12750293. The reversal of 12750275 is 57205721.

It is not a de Polignac number, because 12750275 - 2² = 12750271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12750271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386 + ... + 5064.

It is an arithmetic number, because the mean of its divisors is an integer number (1329900).

Almost surely, 2^12750275 is an apocalyptic number.

12750275 is a deficient number, since it is larger than the sum of its proper divisors (3208525).

12750275 is a wasteful number, since it uses less digits than its factorization.

12750275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4798 (or 4793 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 12750275 is about 3570.7527217661. The cubic root of 12750275 is about 233.6181160010.

Adding to 12750275 its reverse (57205721), we get a palindrome (69955996).

The spelling of 12750275 in words is "twelve million, seven hundred fifty thousand, two hundred seventy-five".