13860928 has 14 divisors (see below), whose sum is σ = 27505406. Its totient is φ = 6930432.

The previous prime is 13860923. The next prime is 13860953. The reversal of 13860928 is 82906831.

It can be written as a sum of positive squares in only one way, i.e., 10445824 + 3415104 = 3232^2 + 1848^2 .

It is not an unprimeable number, because it can be changed into a prime (13860923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108225 + ... + 108352.

Almost surely, 2^13860928 is an apocalyptic number.

It is an amenable number.

13860928 is a deficient number, since it is larger than the sum of its proper divisors (13644478).

13860928 is an equidigital number, since it uses as much as digits as its factorization.

13860928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216589 (or 216579 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 13860928 is about 3723.0267256629. The cubic root of 13860928 is about 240.2135136970.

The spelling of 13860928 in words is "thirteen million, eight hundred sixty thousand, nine hundred twenty-eight".