13271005 has 8 divisors (see below), whose sum is σ = 17373024. Its totient is φ = 9651600.

The previous prime is 13270997. The next prime is 13271021. The reversal of 13271005 is 50017231.

13271005 = T₆₆₇ + T₆₆₈ + ... + T₇₂₁.

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

It is not a de Polignac number, because 13271005 - 2³ = 13270997 is a prime.

It is a super-2 number, since 2×13271005² = 352239147420050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 120591 + ... + 120700.

It is an arithmetic number, because the mean of its divisors is an integer number (2171628).

Almost surely, 2^13271005 is an apocalyptic number.

It is an amenable number.

13271005 is a deficient number, since it is larger than the sum of its proper divisors (4102019).

13271005 is a wasteful number, since it uses less digits than its factorization.

13271005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241307.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 13271005 is about 3642.9390607036. The cubic root of 13271005 is about 236.7561510013.

Adding to 13271005 its reverse (50017231), we get a palindrome (63288236).

It can be divided in two parts, 1327 and 1005, that added together give a palindrome (2332).

The spelling of 13271005 in words is "thirteen million, two hundred seventy-one thousand, five".