12553313 has 2 divisors, whose sum is σ = 12553314. Its totient is φ = 12553312.

The previous prime is 12553309. The next prime is 12553379. The reversal of 12553313 is 31335521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11404129 + 1149184 = 3377^2 + 1072^2 .

It is a cyclic number.

It is not a de Polignac number, because 12553313 - 2² = 12553309 is a prime.

It is not a weakly prime, because it can be changed into another prime (12553213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276656 + 6276657.

It is an arithmetic number, because the mean of its divisors is an integer number (6276657).

Almost surely, 2^12553313 is an apocalyptic number.

It is an amenable number.

12553313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12553313 is an equidigital number, since it uses as much as digits as its factorization.

12553313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1350, while the sum is 23.

The square root of 12553313 is about 3543.0654806255. The cubic root of 12553313 is about 232.4089164167.

Adding to 12553313 its reverse (31335521), we get a palindrome (43888834).

The spelling of 12553313 in words is "twelve million, five hundred fifty-three thousand, three hundred thirteen".