13545560 has 48 divisors (see below), whose sum is σ = 35458560. Its totient is φ = 4643520.

The previous prime is 13545557. The next prime is 13545619. The reversal of 13545560 is 6554531.

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 11 ways as a sum of consecutive naturals, for example, 1496 + ... + 5415.

It is an arithmetic number, because the mean of its divisors is an integer number (738720).

Almost surely, 2^13545560 is an apocalyptic number.

13545560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13545560 is an abundant number, since it is smaller than the sum of its proper divisors (21913000).

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

13545560 is a wasteful number, since it uses less digits than its factorization.

13545560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936 (or 6925 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 13545560 is about 3680.4293227829. The cubic root of 13545560 is about 238.3777162632.

The spelling of 13545560 in words is "thirteen million, five hundred forty-five thousand, five hundred sixty".