12886471 has 16 divisors (see below), whose sum is σ = 14487424. Its totient is φ = 11384064.

The previous prime is 12886457. The next prime is 12886477. The reversal of 12886471 is 17468821.

It is a cyclic number.

It is not a de Polignac number, because 12886471 - 2⁵ = 12886439 is a prime.

It is a super-3 number, since 3×12886471³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 12886471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12886477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34930 + ... + 35296.

It is an arithmetic number, because the mean of its divisors is an integer number (905464).

Almost surely, 2^12886471 is an apocalyptic number.

12886471 is a deficient number, since it is larger than the sum of its proper divisors (1600953).

12886471 is a wasteful number, since it uses less digits than its factorization.

12886471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490.

The product of its digits is 21504, while the sum is 37.

The square root of 12886471 is about 3589.7731126075. The cubic root of 12886471 is about 234.4469930184.

The spelling of 12886471 in words is "twelve million, eight hundred eighty-six thousand, four hundred seventy-one".