12194503 has 2 divisors, whose sum is σ = 12194504. Its totient is φ = 12194502.

The previous prime is 12194477. The next prime is 12194509. The reversal of 12194503 is 30549121.

12194503 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 an emirp because it is prime and its reverse (30549121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12194503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12194509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6097251 + 6097252.

It is an arithmetic number, because the mean of its divisors is an integer number (6097252).

Almost surely, 2^12194503 is an apocalyptic number.

12194503 is a deficient number, since it is larger than the sum of its proper divisors (1).

12194503 is an equidigital number, since it uses as much as digits as its factorization.

12194503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 12194503 is about 3492.0628573953. The cubic root of 12194503 is about 230.1731714105.

The spelling of 12194503 in words is "twelve million, one hundred ninety-four thousand, five hundred three".