12120923 has 4 divisors (see below), whose sum is σ = 12148728. Its totient is φ = 12093120.

The previous prime is 12120919. The next prime is 12120929. The reversal of 12120923 is 32902121.

12120923 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12120923 - 2² = 12120919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120895 and 12120904.

It is not an unprimeable number, because it can be changed into a prime (12120929) 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, 13238 + ... + 14123.

It is an arithmetic number, because the mean of its divisors is an integer number (3037182).

Almost surely, 2^12120923 is an apocalyptic number.

12120923 is a deficient number, since it is larger than the sum of its proper divisors (27805).

12120923 is an equidigital number, since it uses as much as digits as its factorization.

12120923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27804.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12120923 is about 3481.5115969935. The cubic root of 12120923 is about 229.7092924516.

The spelling of 12120923 in words is "twelve million, one hundred twenty thousand, nine hundred twenty-three".