12106987 has 8 divisors (see below), whose sum is σ = 12323840. Its totient is φ = 11891880.

The previous prime is 12106981. The next prime is 12107003. The reversal of 12106987 is 78960121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12106987 - 2³ = 12106979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12106981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25918 + ... + 26380.

It is an arithmetic number, because the mean of its divisors is an integer number (1540480).

Almost surely, 2^12106987 is an apocalyptic number.

12106987 is a deficient number, since it is larger than the sum of its proper divisors (216853).

12106987 is an equidigital number, since it uses as much as digits as its factorization.

12106987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 12106987 is about 3479.5095918822. The cubic root of 12106987 is about 229.6212228012.

The spelling of 12106987 in words is "twelve million, one hundred six thousand, nine hundred eighty-seven".