13155480 has 128 divisors (see below), whose sum is σ = 47275200. Its totient is φ = 3234816.

The previous prime is 13155449. The next prime is 13155487. The reversal of 13155480 is 8455131.

13155480 is a `hidden beast` number, since 1 + 31 + 554 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13572 + ... + 14508.

Almost surely, 2^13155480 is an apocalyptic number.

13155480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13155480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23637600).

13155480 is an abundant number, since it is smaller than the sum of its proper divisors (34119720).

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

13155480 is a wasteful number, since it uses less digits than its factorization.

13155480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 13155480 is about 3627.0483867740. The cubic root of 13155480 is about 236.0671550725.

It can be divided in two parts, 131 and 55480, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 13155480 in words is "thirteen million, one hundred fifty-five thousand, four hundred eighty".