13821153 has 8 divisors (see below), whose sum is σ = 19512288. Its totient is φ = 8672064.

The previous prime is 13821121. The next prime is 13821161. The reversal of 13821153 is 35112831.

13821153 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13821153 - 2⁵ = 13821121 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13821053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135451 + ... + 135552.

It is an arithmetic number, because the mean of its divisors is an integer number (2439036).

Almost surely, 2^13821153 is an apocalyptic number.

It is an amenable number.

13821153 is a deficient number, since it is larger than the sum of its proper divisors (5691135).

13821153 is a wasteful number, since it uses less digits than its factorization.

13821153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271023.

The product of its digits is 720, while the sum is 24.

The square root of 13821153 is about 3717.6811321037. The cubic root of 13821153 is about 239.9835231744.

Adding to 13821153 its reverse (35112831), we get a palindrome (48933984).

The spelling of 13821153 in words is "thirteen million, eight hundred twenty-one thousand, one hundred fifty-three".