13428617 has 2 divisors, whose sum is σ = 13428618. Its totient is φ = 13428616.

The previous prime is 13428563. The next prime is 13428641. The reversal of 13428617 is 71682431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13424896 + 3721 = 3664^2 + 61^2 .

It is a cyclic number.

It is not a de Polignac number, because 13428617 - 2¹⁰ = 13427593 is a prime.

It is a super-3 number, since 3×13428617³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13428647) 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, 6714308 + 6714309.

It is an arithmetic number, because the mean of its divisors is an integer number (6714309).

Almost surely, 2^13428617 is an apocalyptic number.

It is an amenable number.

13428617 is a deficient number, since it is larger than the sum of its proper divisors (1).

13428617 is an equidigital number, since it uses as much as digits as its factorization.

13428617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 13428617 is about 3664.5077432037. The cubic root of 13428617 is about 237.6897364696.

The spelling of 13428617 in words is "thirteen million, four hundred twenty-eight thousand, six hundred seventeen".