12890653 has 2 divisors, whose sum is σ = 12890654. Its totient is φ = 12890652.

The previous prime is 12890629. The next prime is 12890659. The reversal of 12890653 is 35609821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10936249 + 1954404 = 3307^2 + 1398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12890653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12890659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6445326 + 6445327.

It is an arithmetic number, because the mean of its divisors is an integer number (6445327).

Almost surely, 2^12890653 is an apocalyptic number.

It is an amenable number.

12890653 is a deficient number, since it is larger than the sum of its proper divisors (1).

12890653 is an equidigital number, since it uses as much as digits as its factorization.

12890653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 12890653 is about 3590.3555534236. The cubic root of 12890653 is about 234.4723516881.

The spelling of 12890653 in words is "twelve million, eight hundred ninety thousand, six hundred fifty-three".