13421163 has 16 divisors (see below), whose sum is σ = 21528320. Its totient is φ = 7265376.

The previous prime is 13421141. The next prime is 13421173. The reversal of 13421163 is 36112431.

13421163 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13421163 - 2⁵ = 13421131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13421173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16420 + ... + 17217.

It is an arithmetic number, because the mean of its divisors is an integer number (1345520).

Almost surely, 2^13421163 is an apocalyptic number.

13421163 is a deficient number, since it is larger than the sum of its proper divisors (8107157).

13421163 is a wasteful number, since it uses less digits than its factorization.

13421163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33666.

The product of its digits is 432, while the sum is 21.

The square root of 13421163 is about 3663.4905486435. The cubic root of 13421163 is about 237.6457491348.

Adding to 13421163 its reverse (36112431), we get a palindrome (49533594).

The spelling of 13421163 in words is "thirteen million, four hundred twenty-one thousand, one hundred sixty-three".