13379279 has 4 divisors (see below), whose sum is σ = 13418184. Its totient is φ = 13340376.

The previous prime is 13379273. The next prime is 13379291. The reversal of 13379279 is 97297331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97297331 = 83 ⋅1172257.

It is a cyclic number.

It is not a de Polignac number, because 13379279 - 2¹⁶ = 13313743 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 (13379273) 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, 18932 + ... + 19625.

It is an arithmetic number, because the mean of its divisors is an integer number (3354546).

Almost surely, 2^13379279 is an apocalyptic number.

13379279 is a deficient number, since it is larger than the sum of its proper divisors (38905).

13379279 is an equidigital number, since it uses as much as digits as its factorization.

13379279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38904.

The product of its digits is 71442, while the sum is 41.

The square root of 13379279 is about 3657.7696756357. The cubic root of 13379279 is about 237.3982810948.

The spelling of 13379279 in words is "thirteen million, three hundred seventy-nine thousand, two hundred seventy-nine".