13155030 has 144 divisors (see below), whose sum is σ = 42148080. Its totient is φ = 2830464.

The previous prime is 13155013. The next prime is 13155031. The reversal of 13155030 is 3055131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13154994 and 13155012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155031) 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 71 ways as a sum of consecutive naturals, for example, 83712 + ... + 83868.

It is an arithmetic number, because the mean of its divisors is an integer number (292695).

Almost surely, 2^13155030 is an apocalyptic number.

13155030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13155030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21074040).

13155030 is an abundant number, since it is smaller than the sum of its proper divisors (28993050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13155030 is a wasteful number, since it uses less digits than its factorization.

13155030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 193 counting only the distinct ones).

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

The square root of 13155030 is about 3626.9863523316. The cubic root of 13155030 is about 236.0644633823.

The spelling of 13155030 in words is "thirteen million, one hundred fifty-five thousand, thirty".