12669653 has 2 divisors, whose sum is σ = 12669654. Its totient is φ = 12669652.

The previous prime is 12669617. The next prime is 12669659. The reversal of 12669653 is 35696621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8898289 + 3771364 = 2983^2 + 1942^2 .

It is a cyclic number.

It is not a de Polignac number, because 12669653 - 2¹² = 12665557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12669659) 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, 6334826 + 6334827.

It is an arithmetic number, because the mean of its divisors is an integer number (6334827).

Almost surely, 2^12669653 is an apocalyptic number.

It is an amenable number.

12669653 is a deficient number, since it is larger than the sum of its proper divisors (1).

12669653 is an equidigital number, since it uses as much as digits as its factorization.

12669653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The square root of 12669653 is about 3559.4456028994. The cubic root of 12669653 is about 233.1246730967.

The spelling of 12669653 in words is "twelve million, six hundred sixty-nine thousand, six hundred fifty-three".