13545504 has 72 divisors (see below), whose sum is σ = 44029440. Its totient is φ = 3869568.

The previous prime is 13545503. The next prime is 13545527. The reversal of 13545504 is 40554531.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×13545504² = 366961357228032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13545503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1344 + ... + 5375.

It is an arithmetic number, because the mean of its divisors is an integer number (611520).

Almost surely, 2^13545504 is an apocalyptic number.

13545504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13545504 is an abundant number, since it is smaller than the sum of its proper divisors (30483936).

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

13545504 is a wasteful number, since it uses less digits than its factorization.

13545504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6742 (or 6731 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 13545504 is about 3680.4217149669. The cubic root of 13545504 is about 238.3773877627.

The spelling of 13545504 in words is "thirteen million, five hundred forty-five thousand, five hundred four".