12827849 has 2 divisors, whose sum is σ = 12827850. Its totient is φ = 12827848.

The previous prime is 12827827. The next prime is 12827891. The reversal of 12827849 is 94872821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12816400 + 11449 = 3580^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 12827849 - 2¹² = 12823753 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12820849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6413924 + 6413925.

It is an arithmetic number, because the mean of its divisors is an integer number (6413925).

Almost surely, 2^12827849 is an apocalyptic number.

It is an amenable number.

12827849 is a deficient number, since it is larger than the sum of its proper divisors (1).

12827849 is an equidigital number, since it uses as much as digits as its factorization.

12827849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 41.

The square root of 12827849 is about 3581.5986654007. The cubic root of 12827849 is about 234.0909440252.

The spelling of 12827849 in words is "twelve million, eight hundred twenty-seven thousand, eight hundred forty-nine".