13103155 has 16 divisors (see below), whose sum is σ = 17035200. Its totient is φ = 9618048.

The previous prime is 13103147. The next prime is 13103159. The reversal of 13103155 is 55130131.

13103155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13103155 - 2³ = 13103147 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (13103159) 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, 12429 + ... + 13441.

It is an arithmetic number, because the mean of its divisors is an integer number (1064700).

Almost surely, 2^13103155 is an apocalyptic number.

13103155 is a deficient number, since it is larger than the sum of its proper divisors (3932045).

13103155 is a wasteful number, since it uses less digits than its factorization.

13103155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 13103155 is about 3619.8280345895. The cubic root of 13103155 is about 235.7537590109.

Adding to 13103155 its reverse (55130131), we get a palindrome (68233286).

It can be divided in two parts, 1310 and 3155, that added together give a triangular number (4465 = T₉₄).

The spelling of 13103155 in words is "thirteen million, one hundred three thousand, one hundred fifty-five".