12862471 has 4 divisors (see below), whose sum is σ = 12875392. Its totient is φ = 12849552.

The previous prime is 12862469. The next prime is 12862477. The reversal of 12862471 is 17426821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12862471 - 2¹ = 12862469 is a prime.

It is a super-3 number, since 3×12862471³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12862477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4830 + ... + 7003.

It is an arithmetic number, because the mean of its divisors is an integer number (3218848).

Almost surely, 2^12862471 is an apocalyptic number.

12862471 is a deficient number, since it is larger than the sum of its proper divisors (12921).

12862471 is a wasteful number, since it uses less digits than its factorization.

12862471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12920.

The product of its digits is 5376, while the sum is 31.

The square root of 12862471 is about 3586.4287250690. The cubic root of 12862471 is about 234.3013564420.

The spelling of 12862471 in words is "twelve million, eight hundred sixty-two thousand, four hundred seventy-one".