12750443 has 2 divisors, whose sum is σ = 12750444. Its totient is φ = 12750442.

The previous prime is 12750427. The next prime is 12750457. The reversal of 12750443 is 34405721.

12750443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12750443 - 2⁴ = 12750427 is a prime.

It is a super-3 number, since 3×12750443³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12750643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375221 + 6375222.

It is an arithmetic number, because the mean of its divisors is an integer number (6375222).

Almost surely, 2^12750443 is an apocalyptic number.

12750443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12750443 is an equidigital number, since it uses as much as digits as its factorization.

12750443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 12750443 is about 3570.7762461403. The cubic root of 12750443 is about 233.6191420618.

The spelling of 12750443 in words is "twelve million, seven hundred fifty thousand, four hundred forty-three".