12680653 has 2 divisors, whose sum is σ = 12680654. Its totient is φ = 12680652.

The previous prime is 12680641. The next prime is 12680663. The reversal of 12680653 is 35608621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12369289 + 311364 = 3517^2 + 558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12680653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12680663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6340326 + 6340327.

It is an arithmetic number, because the mean of its divisors is an integer number (6340327).

Almost surely, 2^12680653 is an apocalyptic number.

It is an amenable number.

12680653 is a deficient number, since it is larger than the sum of its proper divisors (1).

12680653 is an equidigital number, since it uses as much as digits as its factorization.

12680653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 12680653 is about 3560.9904521074. The cubic root of 12680653 is about 233.1921211323.

The spelling of 12680653 in words is "twelve million, six hundred eighty thousand, six hundred fifty-three".