13421360 has 40 divisors (see below), whose sum is σ = 31474176. Its totient is φ = 5322240.

The previous prime is 13421329. The next prime is 13421363. The reversal of 13421360 is 6312431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13421363) 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, 9500 + ... + 10820.

Almost surely, 2^13421360 is an apocalyptic number.

13421360 is a gapful number since it is divisible by the number (10) 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 13421360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15737088).

13421360 is an abundant number, since it is smaller than the sum of its proper divisors (18052816).

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

13421360 is a wasteful number, since it uses less digits than its factorization.

13421360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 13421360 is about 3663.5174354710. The cubic root of 13421360 is about 237.6469118751.

Adding to 13421360 its reverse (6312431), we get a palindrome (19733791).

The spelling of 13421360 in words is "thirteen million, four hundred twenty-one thousand, three hundred sixty".