13545232 has 10 divisors (see below), whose sum is σ = 26243918. Its totient is φ = 6772608.

The previous prime is 13545227. The next prime is 13545239. The reversal of 13545232 is 23254531.

13545232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8088336 + 5456896 = 2844^2 + 2336^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13545197 and 13545206.

It is not an unprimeable number, because it can be changed into a prime (13545239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423273 + ... + 423304.

Almost surely, 2^13545232 is an apocalyptic number.

It is an amenable number.

13545232 is a deficient number, since it is larger than the sum of its proper divisors (12698686).

13545232 is an equidigital number, since it uses as much as digits as its factorization.

13545232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846585 (or 846579 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 13545232 is about 3680.3847624943. The cubic root of 13545232 is about 238.3757921758.

Adding to 13545232 its reverse (23254531), we get a palindrome (36799763).

The spelling of 13545232 in words is "thirteen million, five hundred forty-five thousand, two hundred thirty-two".