13643133 has 16 divisors (see below), whose sum is σ = 20887680. Its totient is φ = 7759296.

The previous prime is 13643107. The next prime is 13643141. The reversal of 13643133 is 33134631.

It is not a de Polignac number, because 13643133 - 2¹² = 13639037 is a prime.

It is a super-2 number, since 2×13643133² = 372270156111378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13643183) 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, 3391 + ... + 6227.

It is an arithmetic number, because the mean of its divisors is an integer number (1305480).

Almost surely, 2^13643133 is an apocalyptic number.

It is an amenable number.

13643133 is a deficient number, since it is larger than the sum of its proper divisors (7244547).

13643133 is a wasteful number, since it uses less digits than its factorization.

13643133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076.

The product of its digits is 1944, while the sum is 24.

The square root of 13643133 is about 3693.6611918258. The cubic root of 13643133 is about 238.9487177192.

Adding to 13643133 its reverse (33134631), we get a palindrome (46777764).

The spelling of 13643133 in words is "thirteen million, six hundred forty-three thousand, one hundred thirty-three".