13680219 has 8 divisors (see below), whose sum is σ = 20846080. Its totient is φ = 7817256.

The previous prime is 13680217. The next prime is 13680221. The reversal of 13680219 is 91208631.

It is an interprime number because it is at equal distance from previous prime (13680217) and next prime (13680221).

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

It is not a de Polignac number, because 13680219 - 2¹ = 13680217 is a prime.

It is a super-2 number, since 2×13680219² = 374296783775922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13680217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325699 + ... + 325740.

It is an arithmetic number, because the mean of its divisors is an integer number (2605760).

Almost surely, 2^13680219 is an apocalyptic number.

13680219 is a deficient number, since it is larger than the sum of its proper divisors (7165861).

13680219 is an equidigital number, since it uses as much as digits as its factorization.

13680219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651449.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 13680219 is about 3698.6780070723. The cubic root of 13680219 is about 239.1650325186.

The spelling of 13680219 in words is "thirteen million, six hundred eighty thousand, two hundred nineteen".