13984765 has 8 divisors (see below), whose sum is σ = 16801848. Its totient is φ = 11174400.

The previous prime is 13984723. The next prime is 13984769. The reversal of 13984765 is 56748931.

It can be written as a sum of positive squares in 4 ways, for example, as 190969 + 13793796 = 437^2 + 3714^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13984765 - 2²¹ = 11887613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13984769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6865 + ... + 8665.

It is an arithmetic number, because the mean of its divisors is an integer number (2100231).

Almost surely, 2^13984765 is an apocalyptic number.

It is an amenable number.

13984765 is a deficient number, since it is larger than the sum of its proper divisors (2817083).

13984765 is a wasteful number, since it uses less digits than its factorization.

13984765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359.

The product of its digits is 181440, while the sum is 43.

The square root of 13984765 is about 3739.6209700984. The cubic root of 13984765 is about 240.9267696445.

The spelling of 13984765 in words is "thirteen million, nine hundred eighty-four thousand, seven hundred sixty-five".