13530232 has 16 divisors (see below), whose sum is σ = 26861760. Its totient is φ = 6367104.

The previous prime is 13530203. The next prime is 13530259. The reversal of 13530232 is 23203531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49608 + ... + 49879.

It is an arithmetic number, because the mean of its divisors is an integer number (1678860).

Almost surely, 2^13530232 is an apocalyptic number.

It is an amenable number.

13530232 is a deficient number, since it is larger than the sum of its proper divisors (13331528).

13530232 is a wasteful number, since it uses less digits than its factorization.

13530232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99510 (or 99506 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 13530232 is about 3678.3463675951. The cubic root of 13530232 is about 238.2877671649.

Adding to 13530232 its reverse (23203531), we get a palindrome (36733763).

The spelling of 13530232 in words is "thirteen million, five hundred thirty thousand, two hundred thirty-two".