13030155 has 12 divisors (see below), whose sum is σ = 22585680. Its totient is φ = 6949392.

The previous prime is 13030151. The next prime is 13030159. The reversal of 13030155 is 55103031.

It is a happy number.

13030155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13030151) and next prime (13030159).

It is not a de Polignac number, because 13030155 - 2² = 13030151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144735 + ... + 144824.

It is an arithmetic number, because the mean of its divisors is an integer number (1882140).

Almost surely, 2^13030155 is an apocalyptic number.

13030155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13030155 is a deficient number, since it is larger than the sum of its proper divisors (9555525).

13030155 is a wasteful number, since it uses less digits than its factorization.

13030155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289570 (or 289567 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 13030155 is about 3609.7305993661. The cubic root of 13030155 is about 235.3151347832.

Adding to 13030155 its reverse (55103031), we get a palindrome (68133186).

The spelling of 13030155 in words is "thirteen million, thirty thousand, one hundred fifty-five".