12750043 has 4 divisors (see below), whose sum is σ = 12758248. Its totient is φ = 12741840.

The previous prime is 12750011. The next prime is 12750071. The reversal of 12750043 is 34005721.

12750043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12750043 - 2⁵ = 12750011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12749996 and 12750023.

It is not an unprimeable number, because it can be changed into a prime (12750443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (3189562).

Almost surely, 2^12750043 is an apocalyptic number.

12750043 is a deficient number, since it is larger than the sum of its proper divisors (8205).

12750043 is an equidigital number, since it uses as much as digits as its factorization.

12750043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8204.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 12750043 is about 3570.7202354707. The cubic root of 12750043 is about 233.6166990451.

Adding to 12750043 its reverse (34005721), we get a palindrome (46755764).

The spelling of 12750043 in words is "twelve million, seven hundred fifty thousand, forty-three".