12045347 has 2 divisors, whose sum is σ = 12045348. Its totient is φ = 12045346.

The previous prime is 12045343. The next prime is 12045409. The reversal of 12045347 is 74354021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12045347 - 2² = 12045343 is a prime.

It is not a weakly prime, because it can be changed into another prime (12045343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022673 + 6022674.

It is an arithmetic number, because the mean of its divisors is an integer number (6022674).

Almost surely, 2^12045347 is an apocalyptic number.

12045347 is a deficient number, since it is larger than the sum of its proper divisors (1).

12045347 is an equidigital number, since it uses as much as digits as its factorization.

12045347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 12045347 is about 3470.6407189451. The cubic root of 12045347 is about 229.2308713253.

Adding to 12045347 its reverse (74354021), we get a palindrome (86399368).

The spelling of 12045347 in words is "twelve million, forty-five thousand, three hundred forty-seven".