12750544 has 20 divisors (see below), whose sum is σ = 26157924. Its totient is φ = 6000128.

The previous prime is 12750523. The next prime is 12750559. The reversal of 12750544 is 44505721.

It can be written as a sum of positive squares in 2 ways, for example, as 4410000 + 8340544 = 2100^2 + 2888^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23167 + ... + 23710.

Almost surely, 2^12750544 is an apocalyptic number.

It is an amenable number.

12750544 is an abundant number, since it is smaller than the sum of its proper divisors (13407380).

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

12750544 is a wasteful number, since it uses less digits than its factorization.

12750544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46902 (or 46896 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 12750544 is about 3570.7903886955. The cubic root of 12750544 is about 233.6197589154.

The spelling of 12750544 in words is "twelve million, seven hundred fifty thousand, five hundred forty-four".