12554317 has 2 divisors, whose sum is σ = 12554318. Its totient is φ = 12554316.

The previous prime is 12554309. The next prime is 12554327. The reversal of 12554317 is 71345521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12187081 + 367236 = 3491^2 + 606^2 .

It is a cyclic number.

It is not a de Polignac number, because 12554317 - 2³ = 12554309 is a prime.

It is a super-2 number, since 2×12554317² = 315221750672978, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12554327) 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, 6277158 + 6277159.

It is an arithmetic number, because the mean of its divisors is an integer number (6277159).

Almost surely, 2^12554317 is an apocalyptic number.

It is an amenable number.

12554317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12554317 is an equidigital number, since it uses as much as digits as its factorization.

12554317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 12554317 is about 3543.2071630092. The cubic root of 12554317 is about 232.4151121870.

Adding to 12554317 its reverse (71345521), we get a palindrome (83899838).

The spelling of 12554317 in words is "twelve million, five hundred fifty-four thousand, three hundred seventeen".