12194407 has 2 divisors, whose sum is σ = 12194408. Its totient is φ = 12194406.

The previous prime is 12194387. The next prime is 12194411. The reversal of 12194407 is 70449121.

12194407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12194407 - 2⁷ = 12194279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12194417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6097203 + 6097204.

It is an arithmetic number, because the mean of its divisors is an integer number (6097204).

Almost surely, 2^12194407 is an apocalyptic number.

12194407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12194407 is an equidigital number, since it uses as much as digits as its factorization.

12194407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 12194407 is about 3492.0491119112. The cubic root of 12194407 is about 230.1725674039.

The spelling of 12194407 in words is "twelve million, one hundred ninety-four thousand, four hundred seven".