12845837 has 2 divisors, whose sum is σ = 12845838. Its totient is φ = 12845836.

The previous prime is 12845831. The next prime is 12845839. The reversal of 12845837 is 73854821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12773476 + 72361 = 3574^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 12845837 - 2⁴ = 12845821 is a prime.

Together with 12845839, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12845837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12845831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6422918 + 6422919.

It is an arithmetic number, because the mean of its divisors is an integer number (6422919).

Almost surely, 2^12845837 is an apocalyptic number.

It is an amenable number.

12845837 is a deficient number, since it is larger than the sum of its proper divisors (1).

12845837 is an equidigital number, since it uses as much as digits as its factorization.

12845837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 38.

The square root of 12845837 is about 3584.1089548171. The cubic root of 12845837 is about 234.2003118339.

The spelling of 12845837 in words is "twelve million, eight hundred forty-five thousand, eight hundred thirty-seven".