13629289 has 4 divisors (see below), whose sum is σ = 14346640. Its totient is φ = 12911940.

The previous prime is 13629281. The next prime is 13629299. The reversal of 13629289 is 98292631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13629289 - 2³ = 13629281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13629281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358647 + ... + 358684.

It is an arithmetic number, because the mean of its divisors is an integer number (3586660).

Almost surely, 2^13629289 is an apocalyptic number.

13629289 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13629289 is a deficient number, since it is larger than the sum of its proper divisors (717351).

13629289 is an equidigital number, since it uses as much as digits as its factorization.

13629289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717350.

The product of its digits is 46656, while the sum is 40.

The square root of 13629289 is about 3691.7866948132. The cubic root of 13629289 is about 238.8678681181.

The spelling of 13629289 in words is "thirteen million, six hundred twenty-nine thousand, two hundred eighty-nine".