13683215 has 64 divisors (see below), whose sum is σ = 22498560. Its totient is φ = 7741440.

The previous prime is 13683199. The next prime is 13683247. The reversal of 13683215 is 51238631.

It is not a de Polignac number, because 13683215 - 2⁴ = 13683199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 63 ways as a sum of consecutive naturals, for example, 224285 + ... + 224345.

It is an arithmetic number, because the mean of its divisors is an integer number (351540).

Almost surely, 2^13683215 is an apocalyptic number.

13683215 is a deficient number, since it is larger than the sum of its proper divisors (8815345).

13683215 is a wasteful number, since it uses less digits than its factorization.

13683215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132.

The product of its digits is 4320, while the sum is 29.

The square root of 13683215 is about 3699.0829944731. The cubic root of 13683215 is about 239.1824904783.

The spelling of 13683215 in words is "thirteen million, six hundred eighty-three thousand, two hundred fifteen".