12116087 has 4 divisors (see below), whose sum is σ = 12828816. Its totient is φ = 11403360.

The previous prime is 12116081. The next prime is 12116107. The reversal of 12116087 is 78061121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12116087 - 2⁶ = 12116023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12116081) 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 3 ways as a sum of consecutive naturals, for example, 356339 + ... + 356372.

It is an arithmetic number, because the mean of its divisors is an integer number (3207204).

Almost surely, 2^12116087 is an apocalyptic number.

12116087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12116087 is a deficient number, since it is larger than the sum of its proper divisors (712729).

12116087 is an equidigital number, since it uses as much as digits as its factorization.

12116087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712728.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 12116087 is about 3480.8170017971. The cubic root of 12116087 is about 229.6787386203.

The spelling of 12116087 in words is "twelve million, one hundred sixteen thousand, eighty-seven".