12194219 has 12 divisors (see below), whose sum is σ = 13633704. Its totient is φ = 10867392.

The previous prime is 12194207. The next prime is 12194227. The reversal of 12194219 is 91249121.

12194219 is nontrivially palindromic in base 16.

12194219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12194219 - 2⁸ = 12193963 is a prime.

It is a super-2 number, since 2×12194219² = 297397954039922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12194191 and 12194200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12194249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5144 + ... + 7130.

It is an arithmetic number, because the mean of its divisors is an integer number (1136142).

Almost surely, 2^12194219 is an apocalyptic number.

12194219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12194219 is a deficient number, since it is larger than the sum of its proper divisors (1439485).

12194219 is a wasteful number, since it uses less digits than its factorization.

12194219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042 (or 2023 counting only the distinct ones).

The product of its digits is 1296, while the sum is 29.

The square root of 12194219 is about 3492.0221935148. The cubic root of 12194219 is about 230.1713845484.

The spelling of 12194219 in words is "twelve million, one hundred ninety-four thousand, two hundred nineteen".