13430405 has 8 divisors (see below), whose sum is σ = 16491552. Its totient is φ = 10494288.

The previous prime is 13430401. The next prime is 13430407. The reversal of 13430405 is 50403431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13430405 - 2² = 13430401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430401) 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 in 7 ways as a sum of consecutive naturals, for example, 31019 + ... + 31448.

It is an arithmetic number, because the mean of its divisors is an integer number (2061444).

Almost surely, 2^13430405 is an apocalyptic number.

It is an amenable number.

13430405 is a deficient number, since it is larger than the sum of its proper divisors (3061147).

13430405 is an equidigital number, since it uses as much as digits as its factorization.

13430405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62515.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13430405 is about 3664.7516969094. The cubic root of 13430405 is about 237.7002853442.

Adding to 13430405 its reverse (50403431), we get a palindrome (63833836).

The spelling of 13430405 in words is "thirteen million, four hundred thirty thousand, four hundred five".