13530155 has 8 divisors (see below), whose sum is σ = 16302384. Its totient is φ = 10780000.

The previous prime is 13530151. The next prime is 13530163. The reversal of 13530155 is 55103531.

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

It is not a de Polignac number, because 13530155 - 2² = 13530151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13530155.

It is not an unprimeable number, because it can be changed into a prime (13530151) 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 7 ways as a sum of consecutive naturals, for example, 4136 + ... + 6645.

It is an arithmetic number, because the mean of its divisors is an integer number (2037798).

Almost surely, 2^13530155 is an apocalyptic number.

13530155 is a deficient number, since it is larger than the sum of its proper divisors (2772229).

13530155 is a wasteful number, since it uses less digits than its factorization.

13530155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11037.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 13530155 is about 3678.3359009204. The cubic root of 13530155 is about 238.2873151354.

Adding to 13530155 its reverse (55103531), we get a palindrome (68633686).

The spelling of 13530155 in words is "thirteen million, five hundred thirty thousand, one hundred fifty-five".