12812087 has 2 divisors, whose sum is σ = 12812088. Its totient is φ = 12812086.

The previous prime is 12812077. The next prime is 12812117. The reversal of 12812087 is 78021821.

It is a weak prime.

It is an emirp because it is prime and its reverse (78021821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12812087 - 2⁴ = 12812071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12812057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6406043 + 6406044.

It is an arithmetic number, because the mean of its divisors is an integer number (6406044).

Almost surely, 2^12812087 is an apocalyptic number.

12812087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12812087 is an equidigital number, since it uses as much as digits as its factorization.

12812087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 12812087 is about 3579.3975750118. The cubic root of 12812087 is about 233.9950263145.

The spelling of 12812087 in words is "twelve million, eight hundred twelve thousand, eighty-seven".