12750839 has 2 divisors, whose sum is σ = 12750840. Its totient is φ = 12750838.

The previous prime is 12750823. The next prime is 12750841. The reversal of 12750839 is 93805721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12750839 - 2⁴ = 12750823 is a prime.

Together with 12750841, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12750799 and 12750808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12750239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375419 + 6375420.

It is an arithmetic number, because the mean of its divisors is an integer number (6375420).

Almost surely, 2^12750839 is an apocalyptic number.

12750839 is a deficient number, since it is larger than the sum of its proper divisors (1).

12750839 is an equidigital number, since it uses as much as digits as its factorization.

12750839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 12750839 is about 3570.8316958378. The cubic root of 12750839 is about 233.6215605979.

The spelling of 12750839 in words is "twelve million, seven hundred fifty thousand, eight hundred thirty-nine".