13279605 has 8 divisors (see below), whose sum is σ = 21247392. Its totient is φ = 7082448.

The previous prime is 13279589. The next prime is 13279619. The reversal of 13279605 is 50697231.

13279605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13279605 - 2⁴ = 13279589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442639 + ... + 442668.

It is an arithmetic number, because the mean of its divisors is an integer number (2655924).

Almost surely, 2^13279605 is an apocalyptic number.

13279605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13279605 is a deficient number, since it is larger than the sum of its proper divisors (7967787).

13279605 is an equidigital number, since it uses as much as digits as its factorization.

13279605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885315.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 13279605 is about 3644.1192351513. The cubic root of 13279605 is about 236.8072815987.

The spelling of 13279605 in words is "thirteen million, two hundred seventy-nine thousand, six hundred five".