12106516 has 12 divisors (see below), whose sum is σ = 22432788. Its totient is φ = 5697152.

The previous prime is 12106459. The next prime is 12106531. The reversal of 12106516 is 61560121.

12106516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8122500 + 3984016 = 2850^2 + 1996^2 .

It is a congruent 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, 88951 + ... + 89086.

It is an arithmetic number, because the mean of its divisors is an integer number (1869399).

Almost surely, 2^12106516 is an apocalyptic number.

It is an amenable number.

12106516 is a deficient number, since it is larger than the sum of its proper divisors (10326272).

12106516 is a wasteful number, since it uses less digits than its factorization.

12106516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178058 (or 178056 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12106516 is about 3479.4419092722. The cubic root of 12106516 is about 229.6182450992.

Adding to 12106516 its reverse (61560121), we get a palindrome (73666637).

The spelling of 12106516 in words is "twelve million, one hundred six thousand, five hundred sixteen".