12194 has 16 divisors (see below), whose sum is σ = 22848. Its totient is φ = 4752.
The previous prime is 12163. The next prime is 12197. The reversal of 12194 is 49121.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (12197) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149 + ... + 215.
It is an arithmetic number, because the mean of its divisors is an integer number (1428).
212194 is an apocalyptic number.
12194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
12194 is a deficient number, since it is larger than the sum of its proper divisors (10654).
12194 is a wasteful number, since it uses less digits than its factorization.
12194 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89.
The product of its digits is 72, while the sum is 17.
The square root of 12194 is about 110.4264461078. The cubic root of 12194 is about 23.0170006632.
The spelling of 12194 in words is "twelve thousand, one hundred ninety-four".
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