13430816 has 48 divisors (see below), whose sum is σ = 32006016. Its totient is φ = 5415936.

The previous prime is 13430803. The next prime is 13430831. The reversal of 13430816 is 61803431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2045 + ... + 5571.

It is an arithmetic number, because the mean of its divisors is an integer number (666792).

Almost surely, 2^13430816 is an apocalyptic number.

13430816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13430816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16003008).

13430816 is an abundant number, since it is smaller than the sum of its proper divisors (18575200).

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

13430816 is a wasteful number, since it uses less digits than its factorization.

13430816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561 (or 3553 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 13430816 is about 3664.8077712207. The cubic root of 13430816 is about 237.7027100370.

The spelling of 13430816 in words is "thirteen million, four hundred thirty thousand, eight hundred sixteen".