13985744 has 10 divisors (see below), whose sum is σ = 27097410. Its totient is φ = 6992864.

The previous prime is 13985737. The next prime is 13985761. The reversal of 13985744 is 44758931.

It can be written as a sum of positive squares in only one way, i.e., 13601344 + 384400 = 3688^2 + 620^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437039 + ... + 437070.

It is an arithmetic number, because the mean of its divisors is an integer number (2709741).

Almost surely, 2^13985744 is an apocalyptic number.

It is an amenable number.

13985744 is a deficient number, since it is larger than the sum of its proper divisors (13111666).

13985744 is an equidigital number, since it uses as much as digits as its factorization.

13985744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874117 (or 874111 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 13985744 is about 3739.7518634262. The cubic root of 13985744 is about 240.9323915196.

The spelling of 13985744 in words is "thirteen million, nine hundred eighty-five thousand, seven hundred forty-four".