12706987 has 2 divisors, whose sum is σ = 12706988. Its totient is φ = 12706986.

The previous prime is 12706979. The next prime is 12706997. The reversal of 12706987 is 78960721.

12706987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12706987 - 2³ = 12706979 is a prime.

It is a super-2 number, since 2×12706987² = 322935037236338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12706937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6353493 + 6353494.

It is an arithmetic number, because the mean of its divisors is an integer number (6353494).

Almost surely, 2^12706987 is an apocalyptic number.

12706987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12706987 is an equidigital number, since it uses as much as digits as its factorization.

12706987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 12706987 is about 3564.6861011876. The cubic root of 12706987 is about 233.3534334159.

The spelling of 12706987 in words is "twelve million, seven hundred six thousand, nine hundred eighty-seven".