12194951 has 2 divisors, whose sum is σ = 12194952. Its totient is φ = 12194950.

The previous prime is 12194947. The next prime is 12194969. The reversal of 12194951 is 15949121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12194951 - 2² = 12194947 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12194971) 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, 6097475 + 6097476.

It is an arithmetic number, because the mean of its divisors is an integer number (6097476).

Almost surely, 2^12194951 is an apocalyptic number.

12194951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12194951 is an equidigital number, since it uses as much as digits as its factorization.

12194951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 32.

The square root of 12194951 is about 3492.1270022724. The cubic root of 12194951 is about 230.1759900663.

The spelling of 12194951 in words is "twelve million, one hundred ninety-four thousand, nine hundred fifty-one".