13682479 has 4 divisors (see below), whose sum is σ = 14016240. Its totient is φ = 13348720.

The previous prime is 13682453. The next prime is 13682497. The reversal of 13682479 is 97428631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97428631 = 3457 ⋅28183.

It is a cyclic number.

It is not a de Polignac number, because 13682479 - 2¹⁵ = 13649711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13682419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166819 + ... + 166900.

It is an arithmetic number, because the mean of its divisors is an integer number (3504060).

Almost surely, 2^13682479 is an apocalyptic number.

13682479 is a deficient number, since it is larger than the sum of its proper divisors (333761).

13682479 is an equidigital number, since it uses as much as digits as its factorization.

13682479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333760.

The product of its digits is 72576, while the sum is 40.

The square root of 13682479 is about 3698.9835090197. The cubic root of 13682479 is about 239.1782019767.

It can be divided in two parts, 13682 and 479, that added together give a square (14161 = 119²).

The spelling of 13682479 in words is "thirteen million, six hundred eighty-two thousand, four hundred seventy-nine".