13458229 has 2 divisors, whose sum is σ = 13458230. Its totient is φ = 13458228.

The previous prime is 13458227. The next prime is 13458239. The reversal of 13458229 is 92285431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10824100 + 2634129 = 3290^2 + 1623^2 .

It is a cyclic number.

It is not a de Polignac number, because 13458229 - 2¹ = 13458227 is a prime.

It is a super-2 number, since 2×13458229² = 362247855632882, which contains 22 as substring.

Together with 13458227, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13458194 and 13458203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13458227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6729114 + 6729115.

It is an arithmetic number, because the mean of its divisors is an integer number (6729115).

Almost surely, 2^13458229 is an apocalyptic number.

It is an amenable number.

13458229 is a deficient number, since it is larger than the sum of its proper divisors (1).

13458229 is an equidigital number, since it uses as much as digits as its factorization.

13458229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 13458229 is about 3668.5458972187. The cubic root of 13458229 is about 237.8643213679.

The spelling of 13458229 in words is "thirteen million, four hundred fifty-eight thousand, two hundred twenty-nine".