13155232 has 12 divisors (see below), whose sum is σ = 25899426. Its totient is φ = 6577600.

The previous prime is 13155223. The next prime is 13155281. The reversal of 13155232 is 23255131.

It can be written as a sum of positive squares in only one way, i.e., 11316496 + 1838736 = 3364^2 + 1356^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205519 + ... + 205582.

Almost surely, 2^13155232 is an apocalyptic number.

It is an amenable number.

13155232 is a deficient number, since it is larger than the sum of its proper divisors (12744194).

13155232 is an equidigital number, since it uses as much as digits as its factorization.

13155232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411111 (or 411103 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 13155232 is about 3627.0141990348. The cubic root of 13155232 is about 236.0656716597.

The spelling of 13155232 in words is "thirteen million, one hundred fifty-five thousand, two hundred thirty-two".