13243332 has 12 divisors (see below), whose sum is σ = 30901136. Its totient is φ = 4414440.

The previous prime is 13243327. The next prime is 13243339. The reversal of 13243332 is 23334231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13243299 and 13243308.

It is not an unprimeable number, because it can be changed into a prime (13243339) 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, 551794 + ... + 551817.

Almost surely, 2^13243332 is an apocalyptic number.

13243332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13243332 is an abundant number, since it is smaller than the sum of its proper divisors (17657804).

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

13243332 is a wasteful number, since it uses less digits than its factorization.

13243332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103618 (or 1103616 counting only the distinct ones).

The product of its digits is 1296, while the sum is 21.

The square root of 13243332 is about 3639.1389091377. The cubic root of 13243332 is about 236.5914733901.

Adding to 13243332 its reverse (23334231), we get a palindrome (36577563).

It can be divided in two parts, 1324 and 3332, that added together give a triangular number (4656 = T₉₆).

The spelling of 13243332 in words is "thirteen million, two hundred forty-three thousand, three hundred thirty-two".