13012271 has 16 divisors (see below), whose sum is σ = 14108640. Its totient is φ = 11975040.

The previous prime is 13012261. The next prime is 13012291. The reversal of 13012271 is 17221031.

It is a cyclic number.

It is not a de Polignac number, because 13012271 - 2¹⁴ = 12995887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71801 + ... + 71981.

It is an arithmetic number, because the mean of its divisors is an integer number (881790).

Almost surely, 2^13012271 is an apocalyptic number.

13012271 is a deficient number, since it is larger than the sum of its proper divisors (1096369).

13012271 is a wasteful number, since it uses less digits than its factorization.

13012271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 13012271 is about 3607.2525556163. The cubic root of 13012271 is about 235.2074281421.

The spelling of 13012271 in words is "thirteen million, twelve thousand, two hundred seventy-one".