13288280 has 16 divisors (see below), whose sum is σ = 29898720. Its totient is φ = 5315296.

The previous prime is 13288259. The next prime is 13288307. The reversal of 13288280 is 8288231.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 166064 + ... + 166143.

It is an arithmetic number, because the mean of its divisors is an integer number (1868670).

Almost surely, 2^13288280 is an apocalyptic number.

13288280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13288280 is an abundant number, since it is smaller than the sum of its proper divisors (16610440).

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

13288280 is a wasteful number, since it uses less digits than its factorization.

13288280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332218 (or 332214 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 13288280 is about 3645.3093147221. The cubic root of 13288280 is about 236.8588357425.

The spelling of 13288280 in words is "thirteen million, two hundred eighty-eight thousand, two hundred eighty".