13421568 has 88 divisors (see below), whose sum is σ = 38025072. Its totient is φ = 4194304.

The previous prime is 13421567. The next prime is 13421579. The reversal of 13421568 is 86512431.

It is a nialpdrome in base 16.

It is a zygodrome in base 2 and base 16.

It is not an unprimeable number, because it can be changed into a prime (13421563) by changing a digit.

In principle, a polygon with 13421568 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52096 + ... + 52352.

Almost surely, 2^13421568 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 13421568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19012536).

13421568 is an abundant number, since it is smaller than the sum of its proper divisors (24603504).

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

13421568 is a wasteful number, since it uses less digits than its factorization.

13421568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 279 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 13421568 is about 3663.5458233793. The cubic root of 13421568 is about 237.6481395277.

Adding to 13421568 its reverse (86512431), we get a palindrome (99933999).

The spelling of 13421568 in words is "thirteen million, four hundred twenty-one thousand, five hundred sixty-eight".