13545500 has 24 divisors (see below), whose sum is σ = 29584464. Its totient is φ = 5418000.

The previous prime is 13545449. The next prime is 13545503. The reversal of 13545500 is 554531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13545503) 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 7 ways as a sum of consecutive naturals, for example, 13046 + ... + 14045.

It is an arithmetic number, because the mean of its divisors is an integer number (1232686).

Almost surely, 2^13545500 is an apocalyptic number.

13545500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13545500 is an abundant number, since it is smaller than the sum of its proper divisors (16038964).

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

13545500 is a wasteful number, since it uses less digits than its factorization.

13545500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27110 (or 27098 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 13545500 is about 3680.4211715509. The cubic root of 13545500 is about 238.3773642983.

The spelling of 13545500 in words is "thirteen million, five hundred forty-five thousand, five hundred".