13232120 has 128 divisors (see below), whose sum is σ = 36158400. Its totient is φ = 4300800.

The previous prime is 13232119. The next prime is 13232129. The reversal of 13232120 is 2123231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13232095 and 13232104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216890 + ... + 216950.

Almost surely, 2^13232120 is an apocalyptic number.

13232120 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 13232120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18079200).

13232120 is an abundant number, since it is smaller than the sum of its proper divisors (22926280).

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

13232120 is a wasteful number, since it uses less digits than its factorization.

13232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13232120 is about 3637.5981086426. The cubic root of 13232120 is about 236.5246872634.

Adding to 13232120 its reverse (2123231), we get a palindrome (15355351).

Subtracting from 13232120 its reverse (2123231), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 1323 and 2120, that added together give a palindrome (3443).

The spelling of 13232120 in words is "thirteen million, two hundred thirty-two thousand, one hundred twenty".