13550304 has 48 divisors (see below), whose sum is σ = 35804160. Its totient is φ = 4487040.

The previous prime is 13550297. The next prime is 13550347. The reversal of 13550304 is 40305531.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×13550304² = 367221476984832, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 17967 + ... + 18705.

It is an arithmetic number, because the mean of its divisors is an integer number (745920).

Almost surely, 2^13550304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13550304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17902080).

13550304 is an abundant number, since it is smaller than the sum of its proper divisors (22253856).

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

13550304 is a wasteful number, since it uses less digits than its factorization.

13550304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 13550304 is about 3681.0737563923. The cubic root of 13550304 is about 238.4055416636.

Adding to 13550304 its reverse (40305531), we get a palindrome (53855835).

The spelling of 13550304 in words is "thirteen million, five hundred fifty thousand, three hundred four".