13641133 has 16 divisors (see below), whose sum is σ = 15353856. Its totient is φ = 12014640.

The previous prime is 13641127. The next prime is 13641137. The reversal of 13641133 is 33114631.

It is a happy number.

It is not a de Polignac number, because 13641133 - 2⁵ = 13641101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13641137) 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 15 ways as a sum of consecutive naturals, for example, 61060 + ... + 61282.

It is an arithmetic number, because the mean of its divisors is an integer number (959616).

Almost surely, 2^13641133 is an apocalyptic number.

It is an amenable number.

13641133 is a deficient number, since it is larger than the sum of its proper divisors (1712723).

13641133 is a wasteful number, since it uses less digits than its factorization.

13641133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its digits is 648, while the sum is 22.

The square root of 13641133 is about 3693.3904478135. The cubic root of 13641133 is about 238.9370410076.

Adding to 13641133 its reverse (33114631), we get a palindrome (46755764).

It can be divided in two parts, 13 and 641133, that added together give a palindrome (641146).

The spelling of 13641133 in words is "thirteen million, six hundred forty-one thousand, one hundred thirty-three".