13430320 has 20 divisors (see below), whose sum is σ = 31225680. Its totient is φ = 5372096.

The previous prime is 13430303. The next prime is 13430369. The reversal of 13430320 is 2303431.

13430320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 13430294 and 13430303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83860 + ... + 84019.

It is an arithmetic number, because the mean of its divisors is an integer number (1561284).

Almost surely, 2^13430320 is an apocalyptic number.

13430320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13430320 is an abundant number, since it is smaller than the sum of its proper divisors (17795360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13430320 is a wasteful number, since it uses less digits than its factorization.

13430320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167892 (or 167886 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 13430320 is about 3664.7400999252. The cubic root of 13430320 is about 237.6997838808.

Adding to 13430320 its reverse (2303431), we get a palindrome (15733751).

The spelling of 13430320 in words is "thirteen million, four hundred thirty thousand, three hundred twenty".