12750188 has 48 divisors (see below), whose sum is σ = 26078976. Its totient is φ = 5396160.

The previous prime is 12750181. The next prime is 12750191. The reversal of 12750188 is 88105721.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12750181) 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, 43370 + ... + 43662.

It is an arithmetic number, because the mean of its divisors is an integer number (543312).

Almost surely, 2^12750188 is an apocalyptic number.

It is an amenable number.

12750188 is an abundant number, since it is smaller than the sum of its proper divisors (13328788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12750188 is a wasteful number, since it uses less digits than its factorization.

12750188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 12750188 is about 3570.7405394400. The cubic root of 12750188 is about 233.6175846445.

The spelling of 12750188 in words is "twelve million, seven hundred fifty thousand, one hundred eighty-eight".