13233420 has 72 divisors (see below), whose sum is σ = 41247024. Its totient is φ = 3431808.

The previous prime is 13233413. The next prime is 13233433. The reversal of 13233420 is 2433231.

13233420 is a `hidden beast` number, since 1 + 323 + 342 + 0 = 666.

13233420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13233393 and 13233402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5667 + ... + 7653.

Almost surely, 2^13233420 is an apocalyptic number.

13233420 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 13233420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20623512).

13233420 is an abundant number, since it is smaller than the sum of its proper divisors (28013604).

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

13233420 is a wasteful number, since it uses less digits than its factorization.

13233420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039 (or 2034 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13233420 is about 3637.7767935925. The cubic root of 13233420 is about 236.5324328609.

Adding to 13233420 its reverse (2433231), we get a palindrome (15666651).

The spelling of 13233420 in words is "thirteen million, two hundred thirty-three thousand, four hundred twenty".