12747653 has 2 divisors, whose sum is σ = 12747654. Its totient is φ = 12747652.

The previous prime is 12747619. The next prime is 12747697. The reversal of 12747653 is 35674721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8282884 + 4464769 = 2878^2 + 2113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12747653 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12747253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6373826 + 6373827.

It is an arithmetic number, because the mean of its divisors is an integer number (6373827).

Almost surely, 2^12747653 is an apocalyptic number.

It is an amenable number.

12747653 is a deficient number, since it is larger than the sum of its proper divisors (1).

12747653 is an equidigital number, since it uses as much as digits as its factorization.

12747653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 12747653 is about 3570.3855534102. The cubic root of 12747653 is about 233.6021009557.

The spelling of 12747653 in words is "twelve million, seven hundred forty-seven thousand, six hundred fifty-three".