13963585 has 4 divisors (see below), whose sum is σ = 16756308. Its totient is φ = 11170864.

The previous prime is 13963583. The next prime is 13963597. The reversal of 13963585 is 58536931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10246401 + 3717184 = 3201^2 + 1928^2 .

It is a cyclic number.

It is not a de Polignac number, because 13963585 - 2¹ = 13963583 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13963583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1396354 + ... + 1396363.

It is an arithmetic number, because the mean of its divisors is an integer number (4189077).

Almost surely, 2^13963585 is an apocalyptic number.

It is an amenable number.

13963585 is a deficient number, since it is larger than the sum of its proper divisors (2792723).

13963585 is an equidigital number, since it uses as much as digits as its factorization.

13963585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792722.

The product of its digits is 97200, while the sum is 40.

The square root of 13963585 is about 3736.7880592830. The cubic root of 13963585 is about 240.8050799048.

The spelling of 13963585 in words is "thirteen million, nine hundred sixty-three thousand, five hundred eighty-five".