12750856 has 8 divisors (see below), whose sum is σ = 23907870. Its totient is φ = 6375424.

The previous prime is 12750851. The next prime is 12750863. The reversal of 12750856 is 65805721.

It can be written as a sum of positive squares in only one way, i.e., 8213956 + 4536900 = 2866^2 + 2130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×12750856³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12750851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 796921 + ... + 796936.

Almost surely, 2^12750856 is an apocalyptic number.

It is an amenable number.

12750856 is a deficient number, since it is larger than the sum of its proper divisors (11157014).

12750856 is a wasteful number, since it uses less digits than its factorization.

12750856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593863 (or 1593859 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 12750856 is about 3570.8340762349. The cubic root of 12750856 is about 233.6216644228.

The spelling of 12750856 in words is "twelve million, seven hundred fifty thousand, eight hundred fifty-six".