12885471 has 12 divisors (see below), whose sum is σ = 18643560. Its totient is φ = 8575920.

The previous prime is 12885469. The next prime is 12885493. The reversal of 12885471 is 17458821.

It is not a de Polignac number, because 12885471 - 2¹ = 12885469 is a prime.

It is a super-3 number, since 3×12885471³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12885421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9336 + ... + 10626.

It is an arithmetic number, because the mean of its divisors is an integer number (1553630).

Almost surely, 2^12885471 is an apocalyptic number.

12885471 is a deficient number, since it is larger than the sum of its proper divisors (5758089).

12885471 is a wasteful number, since it uses less digits than its factorization.

12885471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406 (or 2403 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 12885471 is about 3589.6338253365. The cubic root of 12885471 is about 234.4409284396.

The spelling of 12885471 in words is "twelve million, eight hundred eighty-five thousand, four hundred seventy-one".