13855328 has 12 divisors (see below), whose sum is σ = 27277740. Its totient is φ = 6927648.

The previous prime is 13855321. The next prime is 13855337. The reversal of 13855328 is 82355831.

It is a super-2 number, since 2×13855328² = 383940227975168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13855321) 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, 216458 + ... + 216521.

It is an arithmetic number, because the mean of its divisors is an integer number (2273145).

Almost surely, 2^13855328 is an apocalyptic number.

It is an amenable number.

13855328 is a deficient number, since it is larger than the sum of its proper divisors (13422412).

13855328 is an equidigital number, since it uses as much as digits as its factorization.

13855328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432989 (or 432981 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 13855328 is about 3722.2745734295. The cubic root of 13855328 is about 240.1811595170.

The spelling of 13855328 in words is "thirteen million, eight hundred fifty-five thousand, three hundred twenty-eight".