12106706 has 4 divisors (see below), whose sum is σ = 18160062. Its totient is φ = 6053352.

The previous prime is 12106691. The next prime is 12106711. The reversal of 12106706 is 60760121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60760121 = 97 ⋅626393.

It can be written as a sum of positive squares in only one way, i.e., 10297681 + 1809025 = 3209^2 + 1345^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3026675 + ... + 3026678.

Almost surely, 2^12106706 is an apocalyptic number.

12106706 is a deficient number, since it is larger than the sum of its proper divisors (6053356).

12106706 is an equidigital number, since it uses as much as digits as its factorization.

12106706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6053355.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 12106706 is about 3479.4692123943. The cubic root of 12106706 is about 229.6194463046.

Adding to 12106706 its reverse (60760121), we get a palindrome (72866827).

The spelling of 12106706 in words is "twelve million, one hundred six thousand, seven hundred six".