12106506 has 8 divisors (see below), whose sum is σ = 24213024. Its totient is φ = 4035500.

The previous prime is 12106459. The next prime is 12106531. The reversal of 12106506 is 60560121.

It is a happy number.

12106506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

12106506 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008870 + ... + 1008881.

It is an arithmetic number, because the mean of its divisors is an integer number (3026628).

Almost surely, 2^12106506 is an apocalyptic number.

12106506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12106506 is a wasteful number, since it uses less digits than its factorization.

12106506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017756.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 12106506 is about 3479.4404722599. The cubic root of 12106506 is about 229.6181818775.

Adding to 12106506 its reverse (60560121), we get a palindrome (72666627).

The spelling of 12106506 in words is "twelve million, one hundred six thousand, five hundred six".