12826553 has 2 divisors, whose sum is σ = 12826554. Its totient is φ = 12826552.

The previous prime is 12826549. The next prime is 12826609. The reversal of 12826553 is 35562821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11751184 + 1075369 = 3428^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 12826553 - 2² = 12826549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12826523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6413276 + 6413277.

It is an arithmetic number, because the mean of its divisors is an integer number (6413277).

Almost surely, 2^12826553 is an apocalyptic number.

It is an amenable number.

12826553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12826553 is an equidigital number, since it uses as much as digits as its factorization.

12826553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 32.

The square root of 12826553 is about 3581.4177360369. The cubic root of 12826553 is about 234.0830603423.

The spelling of 12826553 in words is "twelve million, eight hundred twenty-six thousand, five hundred fifty-three".