13605429 has 4 divisors (see below), whose sum is σ = 18140576. Its totient is φ = 9070284.

The previous prime is 13605421. The next prime is 13605433. The reversal of 13605429 is 92450631.

13605429 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 13605429 - 2³ = 13605421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13605396 and 13605405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13605421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2267569 + ... + 2267574.

It is an arithmetic number, because the mean of its divisors is an integer number (4535144).

Almost surely, 2^13605429 is an apocalyptic number.

It is an amenable number.

13605429 is a deficient number, since it is larger than the sum of its proper divisors (4535147).

13605429 is an equidigital number, since it uses as much as digits as its factorization.

13605429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535146.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 13605429 is about 3688.5537816331. The cubic root of 13605429 is about 238.7283960240.

The spelling of 13605429 in words is "thirteen million, six hundred five thousand, four hundred twenty-nine".