13500554 has 8 divisors (see below), whose sum is σ = 20308320. Its totient is φ = 6731116.

The previous prime is 13500551. The next prime is 13500589. The reversal of 13500554 is 45500531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13500551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8684 + ... + 10119.

It is an arithmetic number, because the mean of its divisors is an integer number (2538540).

Almost surely, 2^13500554 is an apocalyptic number.

13500554 is a deficient number, since it is larger than the sum of its proper divisors (6807766).

13500554 is a wasteful number, since it uses less digits than its factorization.

13500554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19164.

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

The square root of 13500554 is about 3674.3100032523. The cubic root of 13500554 is about 238.1134148625.

Subtracting from 13500554 its sum of digits (23), we obtain a palindrome (13500531).

The spelling of 13500554 in words is "thirteen million, five hundred thousand, five hundred fifty-four".