13500500 has 96 divisors (see below), whose sum is σ = 33266688. Its totient is φ = 4752000.

The previous prime is 13500493. The next prime is 13500551. The reversal of 13500500 is 500531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201467 + ... + 201533.

It is an arithmetic number, because the mean of its divisors is an integer number (346528).

Almost surely, 2^13500500 is an apocalyptic number.

13500500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13500500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16633344).

13500500 is an abundant number, since it is smaller than the sum of its proper divisors (19766188).

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

13500500 is a wasteful number, since it uses less digits than its factorization.

13500500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 13500500 is about 3674.3026549265. The cubic root of 13500500 is about 238.1130973905.

The spelling of 13500500 in words is "thirteen million, five hundred thousand, five hundred".