13449568 has 48 divisors (see below), whose sum is σ = 30421440. Its totient is φ = 5788800.

The previous prime is 13449563. The next prime is 13449571. The reversal of 13449568 is 86594431.

It is a super-3 number, since 3×13449568³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13449568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13449563) by changing a digit.

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, 5683 + ... + 7693.

It is an arithmetic number, because the mean of its divisors is an integer number (633780).

Almost surely, 2^13449568 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 13449568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15210720).

13449568 is an abundant number, since it is smaller than the sum of its proper divisors (16971872).

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

13449568 is a wasteful number, since it uses less digits than its factorization.

13449568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051 (or 2043 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 13449568 is about 3667.3652667821. The cubic root of 13449568 is about 237.8132848118.

The spelling of 13449568 in words is "thirteen million, four hundred forty-nine thousand, five hundred sixty-eight".