12750247 has 2 divisors, whose sum is σ = 12750248. Its totient is φ = 12750246.

The previous prime is 12750239. The next prime is 12750271. The reversal of 12750247 is 74205721.

12750247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12750247 - 2³ = 12750239 is a prime.

It is a super-2 number, since 2×12750247² = 325137597122018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12750347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375123 + 6375124.

It is an arithmetic number, because the mean of its divisors is an integer number (6375124).

Almost surely, 2^12750247 is an apocalyptic number.

12750247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12750247 is an equidigital number, since it uses as much as digits as its factorization.

12750247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 12750247 is about 3570.7488010220. The cubic root of 12750247 is about 233.6179449900.

Adding to 12750247 its reverse (74205721), we get a palindrome (86955968).

The spelling of 12750247 in words is "twelve million, seven hundred fifty thousand, two hundred forty-seven".