12852137 has 2 divisors, whose sum is σ = 12852138. Its totient is φ = 12852136.

The previous prime is 12852121. The next prime is 12852139. The reversal of 12852137 is 73125821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9554281 + 3297856 = 3091^2 + 1816^2 .

It is a cyclic number.

It is not a de Polignac number, because 12852137 - 2⁴ = 12852121 is a prime.

Together with 12852139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12852139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6426068 + 6426069.

It is an arithmetic number, because the mean of its divisors is an integer number (6426069).

Almost surely, 2^12852137 is an apocalyptic number.

It is an amenable number.

12852137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12852137 is an equidigital number, since it uses as much as digits as its factorization.

12852137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 29.

The square root of 12852137 is about 3584.9877266178. The cubic root of 12852137 is about 234.2385919612.

Adding to 12852137 its reverse (73125821), we get a palindrome (85977958).

The spelling of 12852137 in words is "twelve million, eight hundred fifty-two thousand, one hundred thirty-seven".