13575280 has 20 divisors (see below), whose sum is σ = 31562712. Its totient is φ = 5430080.

The previous prime is 13575239. The next prime is 13575283. The reversal of 13575280 is 8257531.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13575283) 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 3 ways as a sum of consecutive naturals, for example, 84766 + ... + 84925.

Almost surely, 2^13575280 is an apocalyptic number.

13575280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13575280 is an abundant number, since it is smaller than the sum of its proper divisors (17987432).

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

13575280 is a wasteful number, since it uses less digits than its factorization.

13575280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169704 (or 169698 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 13575280 is about 3684.4646829628. The cubic root of 13575280 is about 238.5519285920.

The spelling of 13575280 in words is "thirteen million, five hundred seventy-five thousand, two hundred eighty".