12049903 has 2 divisors, whose sum is σ = 12049904. Its totient is φ = 12049902.

The previous prime is 12049897. The next prime is 12049909. The reversal of 12049903 is 30994021.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (12049897) and next prime (12049909).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12049903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12049909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6024951 + 6024952.

It is an arithmetic number, because the mean of its divisors is an integer number (6024952).

Almost surely, 2^12049903 is an apocalyptic number.

12049903 is a deficient number, since it is larger than the sum of its proper divisors (1).

12049903 is an equidigital number, since it uses as much as digits as its factorization.

12049903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 12049903 is about 3471.2970198472. The cubic root of 12049903 is about 229.2597689072.

The spelling of 12049903 in words is "twelve million, forty-nine thousand, nine hundred three".