12194969 has 2 divisors, whose sum is σ = 12194970. Its totient is φ = 12194968.

The previous prime is 12194951. The next prime is 12194971. The reversal of 12194969 is 96949121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10004569 + 2190400 = 3163^2 + 1480^2 .

It is a cyclic number.

It is not a de Polignac number, because 12194969 - 2¹² = 12190873 is a prime.

It is a super-2 number, since 2×12194969² = 297434537821922, which contains 22 as substring.

Together with 12194971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12194909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6097484 + 6097485.

It is an arithmetic number, because the mean of its divisors is an integer number (6097485).

Almost surely, 2^12194969 is an apocalyptic number.

It is an amenable number.

12194969 is a deficient number, since it is larger than the sum of its proper divisors (1).

12194969 is an equidigital number, since it uses as much as digits as its factorization.

12194969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 41.

The square root of 12194969 is about 3492.1295794973. The cubic root of 12194969 is about 230.1761033144.

The spelling of 12194969 in words is "twelve million, one hundred ninety-four thousand, nine hundred sixty-nine".