13556768 has 12 divisors (see below), whose sum is σ = 26689950. Its totient is φ = 6778368.

The previous prime is 13556743. The next prime is 13556771. The reversal of 13556768 is 86765531.

It can be written as a sum of positive squares in only one way, i.e., 13162384 + 394384 = 3628^2 + 628^2 .

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, 211793 + ... + 211856.

Almost surely, 2^13556768 is an apocalyptic number.

It is an amenable number.

13556768 is a deficient number, since it is larger than the sum of its proper divisors (13133182).

13556768 is an equidigital number, since it uses as much as digits as its factorization.

13556768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423659 (or 423651 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 13556768 is about 3681.9516563909. The cubic root of 13556768 is about 238.4434450799.

The spelling of 13556768 in words is "thirteen million, five hundred fifty-six thousand, seven hundred sixty-eight".