12305653 has 2 divisors, whose sum is σ = 12305654. Its totient is φ = 12305652.

The previous prime is 12305641. The next prime is 12305659. The reversal of 12305653 is 35650321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11819844 + 485809 = 3438^2 + 697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12305653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12305659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6152826 + 6152827.

It is an arithmetic number, because the mean of its divisors is an integer number (6152827).

Almost surely, 2^12305653 is an apocalyptic number.

It is an amenable number.

12305653 is a deficient number, since it is larger than the sum of its proper divisors (1).

12305653 is an equidigital number, since it uses as much as digits as its factorization.

12305653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 12305653 is about 3507.9414191232. The cubic root of 12305653 is about 230.8703819844.

Adding to 12305653 its reverse (35650321), we get a palindrome (47955974).

The spelling of 12305653 in words is "twelve million, three hundred five thousand, six hundred fifty-three".