13679427 has 4 divisors (see below), whose sum is σ = 18239240. Its totient is φ = 9119616.

The previous prime is 13679423. The next prime is 13679431. The reversal of 13679427 is 72497631.

13679427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72497631 = 3 ⋅24165877.

It is an interprime number because it is at equal distance from previous prime (13679423) and next prime (13679431).

It is not a de Polignac number, because 13679427 - 2² = 13679423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13679423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2279902 + ... + 2279907.

It is an arithmetic number, because the mean of its divisors is an integer number (4559810).

Almost surely, 2^13679427 is an apocalyptic number.

13679427 is a deficient number, since it is larger than the sum of its proper divisors (4559813).

13679427 is an equidigital number, since it uses as much as digits as its factorization.

13679427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559812.

The product of its digits is 63504, while the sum is 39.

The square root of 13679427 is about 3698.5709402416. The cubic root of 13679427 is about 239.1604170379.

The spelling of 13679427 in words is "thirteen million, six hundred seventy-nine thousand, four hundred twenty-seven".