13555232 has 12 divisors (see below), whose sum is σ = 26686926. Its totient is φ = 6777600.

The previous prime is 13555231. The next prime is 13555247. The reversal of 13555232 is 23255531.

It can be written as a sum of positive squares in only one way, i.e., 10471696 + 3083536 = 3236^2 + 1756^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13555231) by changing a digit.

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, 211769 + ... + 211832.

Almost surely, 2^13555232 is an apocalyptic number.

It is an amenable number.

13555232 is a deficient number, since it is larger than the sum of its proper divisors (13131694).

13555232 is an equidigital number, since it uses as much as digits as its factorization.

13555232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423611 (or 423603 counting only the distinct ones).

The product of its digits is 4500, while the sum is 26.

The square root of 13555232 is about 3681.7430654515. The cubic root of 13555232 is about 238.4344394190.

The spelling of 13555232 in words is "thirteen million, five hundred fifty-five thousand, two hundred thirty-two".