12966087 has 16 divisors (see below), whose sum is σ = 18500832. Its totient is φ = 8048640.

The previous prime is 12966073. The next prime is 12966097. The reversal of 12966087 is 78066921.

It is not a de Polignac number, because 12966087 - 2⁴ = 12966071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12966007) 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 in 15 ways as a sum of consecutive naturals, for example, 3637 + ... + 6257.

It is an arithmetic number, because the mean of its divisors is an integer number (1156302).

Almost surely, 2^12966087 is an apocalyptic number.

12966087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12966087 is a deficient number, since it is larger than the sum of its proper divisors (5534745).

12966087 is a wasteful number, since it uses less digits than its factorization.

12966087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 12966087 is about 3600.8453174220. The cubic root of 12966087 is about 234.9288270960.

The spelling of 12966087 in words is "twelve million, nine hundred sixty-six thousand, eighty-seven".