12123706 has 8 divisors (see below), whose sum is σ = 20783520. Its totient is φ = 5195868.

The previous prime is 12123701. The next prime is 12123731. The reversal of 12123706 is 60732121.

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

It is not an unprimeable number, because it can be changed into a prime (12123701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432976 + ... + 433003.

It is an arithmetic number, because the mean of its divisors is an integer number (2597940).

Almost surely, 2^12123706 is an apocalyptic number.

12123706 is a deficient number, since it is larger than the sum of its proper divisors (8659814).

12123706 is an equidigital number, since it uses as much as digits as its factorization.

12123706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865988.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 12123706 is about 3481.9112567669. The cubic root of 12123706 is about 229.7268717520.

Adding to 12123706 its reverse (60732121), we get a palindrome (72855827).

The spelling of 12123706 in words is "twelve million, one hundred twenty-three thousand, seven hundred six".