13430289 has 16 divisors (see below), whose sum is σ = 19232640. Its totient is φ = 8305920.

The previous prime is 13430281. The next prime is 13430293. The reversal of 13430289 is 98203431.

13430289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13430289 - 2³ = 13430281 is a prime.

It is a Curzon number.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13430281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1767 + ... + 5475.

It is an arithmetic number, because the mean of its divisors is an integer number (1202040).

Almost surely, 2^13430289 is an apocalyptic number.

It is an amenable number.

13430289 is a deficient number, since it is larger than the sum of its proper divisors (5802351).

13430289 is a wasteful number, since it uses less digits than its factorization.

13430289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 13430289 is about 3664.7358704278. The cubic root of 13430289 is about 237.6996009937.

The spelling of 13430289 in words is "thirteen million, four hundred thirty thousand, two hundred eighty-nine".