13679219 has 4 divisors (see below), whose sum is σ = 13689600. Its totient is φ = 13668840.

The previous prime is 13679207. The next prime is 13679257. The reversal of 13679219 is 91297631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13679219 - 2⁸ = 13678963 is a prime.

It is a super-2 number, since 2×13679219² = 374242064899922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13679269) 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 3 ways as a sum of consecutive naturals, for example, 2867 + ... + 5964.

It is an arithmetic number, because the mean of its divisors is an integer number (3422400).

Almost surely, 2^13679219 is an apocalyptic number.

13679219 is a deficient number, since it is larger than the sum of its proper divisors (10381).

13679219 is an equidigital number, since it uses as much as digits as its factorization.

13679219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10380.

The product of its digits is 20412, while the sum is 38.

The square root of 13679219 is about 3698.5428211662. The cubic root of 13679219 is about 239.1592048619.

Adding to 13679219 its product of digits (20412), we get a palindrome (13699631).

The spelling of 13679219 in words is "thirteen million, six hundred seventy-nine thousand, two hundred nineteen".