12662087 has 2 divisors, whose sum is σ = 12662088. Its totient is φ = 12662086.

The previous prime is 12662063. The next prime is 12662123. The reversal of 12662087 is 78026621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12662087 - 2¹² = 12657991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12662017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6331043 + 6331044.

It is an arithmetic number, because the mean of its divisors is an integer number (6331044).

Almost surely, 2^12662087 is an apocalyptic number.

12662087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12662087 is an equidigital number, since it uses as much as digits as its factorization.

12662087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 12662087 is about 3558.3826382220. The cubic root of 12662087 is about 233.0782584475.

The spelling of 12662087 in words is "twelve million, six hundred sixty-two thousand, eighty-seven".