13663245 has 8 divisors (see below), whose sum is σ = 21861216. Its totient is φ = 7287056.

The previous prime is 13663231. The next prime is 13663253. The reversal of 13663245 is 54236631.

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

It is a cyclic number.

It is not a de Polignac number, because 13663245 - 2¹⁰ = 13662221 is a prime.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 455427 + ... + 455456.

It is an arithmetic number, because the mean of its divisors is an integer number (2732652).

Almost surely, 2^13663245 is an apocalyptic number.

13663245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13663245 is a deficient number, since it is larger than the sum of its proper divisors (8197971).

13663245 is an equidigital number, since it uses as much as digits as its factorization.

13663245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910891.

The product of its digits is 12960, while the sum is 30.

The square root of 13663245 is about 3696.3826912267. The cubic root of 13663245 is about 239.0660753449.

Adding to 13663245 its reverse (54236631), we get a palindrome (67899876).

The spelling of 13663245 in words is "thirteen million, six hundred sixty-three thousand, two hundred forty-five".