13388155 has 8 divisors (see below), whose sum is σ = 17526384. Its totient is φ = 9736800.

The previous prime is 13388119. The next prime is 13388189. The reversal of 13388155 is 55188331.

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

It is not a de Polignac number, because 13388155 - 2⁹ = 13387643 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 13388155.

It is an unprimeable number.

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, 121656 + ... + 121765.

It is an arithmetic number, because the mean of its divisors is an integer number (2190798).

Almost surely, 2^13388155 is an apocalyptic number.

13388155 is a deficient number, since it is larger than the sum of its proper divisors (4138229).

13388155 is a wasteful number, since it uses less digits than its factorization.

13388155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243437.

The product of its digits is 14400, while the sum is 34.

The square root of 13388155 is about 3658.9827821404. The cubic root of 13388155 is about 237.4507672650.

It can be divided in two parts, 133 and 88155, that added together give a palindrome (88288).

The spelling of 13388155 in words is "thirteen million, three hundred eighty-eight thousand, one hundred fifty-five".