13833520 has 60 divisors (see below), whose sum is σ = 34015680. Its totient is φ = 5231232.

The previous prime is 13833499. The next prime is 13833581. The reversal of 13833520 is 2533831.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28641 + ... + 29119.

It is an arithmetic number, because the mean of its divisors is an integer number (566928).

Almost surely, 2^13833520 is an apocalyptic number.

13833520 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 13833520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17007840).

13833520 is an abundant number, since it is smaller than the sum of its proper divisors (20182160).

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

13833520 is a wasteful number, since it uses less digits than its factorization.

13833520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 13833520 is about 3719.3440281856. The cubic root of 13833520 is about 240.0550799508.

The spelling of 13833520 in words is "thirteen million, eight hundred thirty-three thousand, five hundred twenty".