12045653 has 2 divisors, whose sum is σ = 12045654. Its totient is φ = 12045652.

The previous prime is 12045641. The next prime is 12045661. The reversal of 12045653 is 35654021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11336689 + 708964 = 3367^2 + 842^2 .

It is a cyclic number.

It is not a de Polignac number, because 12045653 - 2⁶ = 12045589 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 (12045623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022826 + 6022827.

It is an arithmetic number, because the mean of its divisors is an integer number (6022827).

Almost surely, 2^12045653 is an apocalyptic number.

It is an amenable number.

12045653 is a deficient number, since it is larger than the sum of its proper divisors (1).

12045653 is an equidigital number, since it uses as much as digits as its factorization.

12045653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 12045653 is about 3470.6848027443. The cubic root of 12045653 is about 229.2328124360.

Adding to 12045653 its reverse (35654021), we get a palindrome (47699674).

The spelling of 12045653 in words is "twelve million, forty-five thousand, six hundred fifty-three".