12206923 has 4 divisors (see below), whose sum is σ = 12413880. Its totient is φ = 11999968.

The previous prime is 12206899. The next prime is 12206939. The reversal of 12206923 is 32960221.

It is a happy number.

12206923 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 32960221 = 7 ⋅4708603.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12206923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12206993) 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, 103390 + ... + 103507.

It is an arithmetic number, because the mean of its divisors is an integer number (3103470).

Almost surely, 2^12206923 is an apocalyptic number.

12206923 is a deficient number, since it is larger than the sum of its proper divisors (206957).

12206923 is an equidigital number, since it uses as much as digits as its factorization.

12206923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206956.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 12206923 is about 3493.8407233301. The cubic root of 12206923 is about 230.2512880505.

The spelling of 12206923 in words is "twelve million, two hundred six thousand, nine hundred twenty-three".