10391271 has 16 divisors (see below), whose sum is σ = 15911040. Its totient is φ = 5965920.

The previous prime is 10391221. The next prime is 10391279. The reversal of 10391271 is 17219301.

It is not a de Polignac number, because 10391271 - 2¹⁷ = 10260199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10391279) 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, 7660 + ... + 8913.

It is an arithmetic number, because the mean of its divisors is an integer number (994440).

Almost surely, 2^10391271 is an apocalyptic number.

10391271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10391271 is a deficient number, since it is larger than the sum of its proper divisors (5519769).

10391271 is a wasteful number, since it uses less digits than its factorization.

10391271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16606.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 10391271 is about 3223.5494412216. The cubic root of 10391271 is about 218.2174904899.

The spelling of 10391271 in words is "ten million, three hundred ninety-one thousand, two hundred seventy-one".