13353985 has 4 divisors (see below), whose sum is σ = 16024788. Its totient is φ = 10683184.

The previous prime is 13353983. The next prime is 13354013. The reversal of 13353985 is 58935331.

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 10491121 + 2862864 = 3239^2 + 1692^2 .

It is a cyclic number.

It is not a de Polignac number, because 13353985 - 2¹ = 13353983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13353983) 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, 1335394 + ... + 1335403.

It is an arithmetic number, because the mean of its divisors is an integer number (4006197).

Almost surely, 2^13353985 is an apocalyptic number.

It is an amenable number.

13353985 is a deficient number, since it is larger than the sum of its proper divisors (2670803).

13353985 is an equidigital number, since it uses as much as digits as its factorization.

13353985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670802.

The product of its digits is 48600, while the sum is 37.

The square root of 13353985 is about 3654.3104684742. The cubic root of 13353985 is about 237.2485834375.

The spelling of 13353985 in words is "thirteen million, three hundred fifty-three thousand, nine hundred eighty-five".