13686245 has 8 divisors (see below), whose sum is σ = 16446240. Its totient is φ = 10933840.

The previous prime is 13686229. The next prime is 13686247. The reversal of 13686245 is 54268631.

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

It is not a de Polignac number, because 13686245 - 2⁴ = 13686229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13686247) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 3446 + ... + 6264.

It is an arithmetic number, because the mean of its divisors is an integer number (2055780).

Almost surely, 2^13686245 is an apocalyptic number.

It is an amenable number.

13686245 is a deficient number, since it is larger than the sum of its proper divisors (2759995).

13686245 is an equidigital number, since it uses as much as digits as its factorization.

13686245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795.

The product of its digits is 34560, while the sum is 35.

The square root of 13686245 is about 3699.4925327672. The cubic root of 13686245 is about 239.2001439674.

It can be divided in two parts, 13686 and 245, that added together give a palindrome (13931).

The spelling of 13686245 in words is "thirteen million, six hundred eighty-six thousand, two hundred forty-five".