13703985 has 24 divisors (see below), whose sum is σ = 24635520. Its totient is φ = 7308144.

The previous prime is 13703957. The next prime is 13703993. The reversal of 13703985 is 58930731.

It is not a de Polignac number, because 13703985 - 2¹¹ = 13701937 is a prime.

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 in 23 ways as a sum of consecutive naturals, for example, 4425 + ... + 6854.

It is an arithmetic number, because the mean of its divisors is an integer number (1026480).

Almost surely, 2^13703985 is an apocalyptic number.

13703985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13703985 is a deficient number, since it is larger than the sum of its proper divisors (10931535).

13703985 is an equidigital number, since it uses as much as digits as its factorization.

13703985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11299 (or 11287 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 13703985 is about 3701.8893824640. The cubic root of 13703985 is about 239.3034491093.

The spelling of 13703985 in words is "thirteen million, seven hundred three thousand, nine hundred eighty-five".