13304430 has 24 divisors (see below), whose sum is σ = 34591752. Its totient is φ = 3547824.

The previous prime is 13304429. The next prime is 13304443. The reversal of 13304430 is 3440331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73824 + ... + 74003.

It is an arithmetic number, because the mean of its divisors is an integer number (1441323).

Almost surely, 2^13304430 is an apocalyptic number.

13304430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13304430 is an abundant number, since it is smaller than the sum of its proper divisors (21287322).

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

13304430 is a wasteful number, since it uses less digits than its factorization.

13304430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147840 (or 147837 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13304430 is about 3647.5238176056. The cubic root of 13304430 is about 236.9547528854.

Adding to 13304430 its reverse (3440331), we get a palindrome (16744761).

The spelling of 13304430 in words is "thirteen million, three hundred four thousand, four hundred thirty".