12750166 has 32 divisors (see below), whose sum is σ = 22730400. Its totient is φ = 5287680.

The previous prime is 12750161. The next prime is 12750181. The reversal of 12750166 is 66105721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12750161) 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 15 ways as a sum of consecutive naturals, for example, 30970 + ... + 31378.

It is an arithmetic number, because the mean of its divisors is an integer number (710325).

Almost surely, 2^12750166 is an apocalyptic number.

12750166 is a deficient number, since it is larger than the sum of its proper divisors (9980234).

12750166 is a wasteful number, since it uses less digits than its factorization.

12750166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 12750166 is about 3570.7374588452. The cubic root of 12750166 is about 233.6174502782.

Adding to 12750166 its reverse (66105721), we get a palindrome (78855887).

The spelling of 12750166 in words is "twelve million, seven hundred fifty thousand, one hundred sixty-six".