12814187 has 2 divisors, whose sum is σ = 12814188. Its totient is φ = 12814186.

The previous prime is 12814171. The next prime is 12814199. The reversal of 12814187 is 78141821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12814187 - 2⁴ = 12814171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12814117) 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, 6407093 + 6407094.

It is an arithmetic number, because the mean of its divisors is an integer number (6407094).

Almost surely, 2^12814187 is an apocalyptic number.

12814187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12814187 is an equidigital number, since it uses as much as digits as its factorization.

12814187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 32.

The square root of 12814187 is about 3579.6909084445. The cubic root of 12814187 is about 234.0078101467.

The spelling of 12814187 in words is "twelve million, eight hundred fourteen thousand, one hundred eighty-seven".