13851500 has 48 divisors (see below), whose sum is σ = 32594016. Its totient is φ = 5112000.

The previous prime is 13851493. The next prime is 13851527. The reversal of 13851500 is 515831.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5435 + ... + 7565.

It is an arithmetic number, because the mean of its divisors is an integer number (679042).

Almost surely, 2^13851500 is an apocalyptic number.

13851500 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 13851500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16297008).

13851500 is an abundant number, since it is smaller than the sum of its proper divisors (18742516).

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

13851500 is a wasteful number, since it uses less digits than its factorization.

13851500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2151 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 13851500 is about 3721.7603361850. The cubic root of 13851500 is about 240.1590381072.

The spelling of 13851500 in words is "thirteen million, eight hundred fifty-one thousand, five hundred".