13279105 has 16 divisors (see below), whose sum is σ = 18273024. Its totient is φ = 9074880.

The previous prime is 13279099. The next prime is 13279109. The reversal of 13279105 is 50197231.

13279105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13279105 - 2⁷ = 13278977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13279109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15724 + ... + 16546.

It is an arithmetic number, because the mean of its divisors is an integer number (1142064).

Almost surely, 2^13279105 is an apocalyptic number.

13279105 is the 2305-th heptagonal number.

It is an amenable number.

13279105 is a deficient number, since it is larger than the sum of its proper divisors (4993919).

13279105 is an equidigital number, since it uses as much as digits as its factorization.

13279105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 13279105 is about 3644.0506308228. The cubic root of 13279105 is about 236.8043094940.

The spelling of 13279105 in words is "thirteen million, two hundred seventy-nine thousand, one hundred five".