12194923 has 4 divisors (see below), whose sum is σ = 13133008. Its totient is φ = 11256840.

The previous prime is 12194909. The next prime is 12194927. The reversal of 12194923 is 32949121.

12194923 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.

It is a cyclic number.

It is not a de Polignac number, because 12194923 - 2⁹ = 12194411 is a prime.

It is a super-2 number, since 2×12194923² = 297432293951858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12194927) 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, 469023 + ... + 469048.

It is an arithmetic number, because the mean of its divisors is an integer number (3283252).

Almost surely, 2^12194923 is an apocalyptic number.

12194923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12194923 is a deficient number, since it is larger than the sum of its proper divisors (938085).

12194923 is an equidigital number, since it uses as much as digits as its factorization.

12194923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938084.

The product of its digits is 3888, while the sum is 31.

The square root of 12194923 is about 3492.1229932521. The cubic root of 12194923 is about 230.1758139023.

The spelling of 12194923 in words is "twelve million, one hundred ninety-four thousand, nine hundred twenty-three".