12111006 has 16 divisors (see below), whose sum is σ = 24277248. Its totient is φ = 4027800.

The previous prime is 12110971. The next prime is 12111017. The reversal of 12111006 is 60011121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12110982 and 12111000.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 891 + ... + 5001.

It is an arithmetic number, because the mean of its divisors is an integer number (1517328).

Almost surely, 2^12111006 is an apocalyptic number.

12111006 is an abundant number, since it is smaller than the sum of its proper divisors (12166242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12111006 is a wasteful number, since it uses less digits than its factorization.

12111006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 12111006 is about 3480.0870678763. The cubic root of 12111006 is about 229.6466281201.

Adding to 12111006 its reverse (60011121), we get a palindrome (72122127).

The spelling of 12111006 in words is "twelve million, one hundred eleven thousand, six".