12345653 has 2 divisors, whose sum is σ = 12345654. Its totient is φ = 12345652.

The previous prime is 12345647. The next prime is 12345701. The reversal of 12345653 is 35654321.

12345653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11142244 + 1203409 = 3338^2 + 1097^2 .

It is a cyclic number.

It is not a de Polignac number, because 12345653 - 2⁴ = 12345637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12345623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172826 + 6172827.

It is an arithmetic number, because the mean of its divisors is an integer number (6172827).

Almost surely, 2^12345653 is an apocalyptic number.

It is an amenable number.

12345653 is a deficient number, since it is larger than the sum of its proper divisors (1).

12345653 is an equidigital number, since it uses as much as digits as its factorization.

12345653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 29.

The square root of 12345653 is about 3513.6381430079. The cubic root of 12345653 is about 231.1202624599.

Adding to 12345653 its reverse (35654321), we get a palindrome (47999974).

The spelling of 12345653 in words is "twelve million, three hundred forty-five thousand, six hundred fifty-three".