13279227 has 16 divisors (see below), whose sum is σ = 20190240. Its totient is φ = 7690752.

The previous prime is 13279223. The next prime is 13279229. The reversal of 13279227 is 72297231.

It is not a de Polignac number, because 13279227 - 2² = 13279223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13279223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9352 + ... + 10677.

It is an arithmetic number, because the mean of its divisors is an integer number (1261890).

Almost surely, 2^13279227 is an apocalyptic number.

13279227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13279227 is a deficient number, since it is larger than the sum of its proper divisors (6911013).

13279227 is a wasteful number, since it uses less digits than its factorization.

13279227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20062.

The product of its digits is 10584, while the sum is 33.

The square root of 13279227 is about 3644.0673703981. The cubic root of 13279227 is about 236.8050346944.

The spelling of 13279227 in words is "thirteen million, two hundred seventy-nine thousand, two hundred twenty-seven".