12701871 has 36 divisors (see below), whose sum is σ = 22724208. Its totient is φ = 6694272.

The previous prime is 12701869. The next prime is 12701903. The reversal of 12701871 is 17810721.

12701871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12701871 - 2¹ = 12701869 is a prime.

It is a super-2 number, since 2×12701871² = 322675053801282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12701831) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10051 + ... + 11243.

It is an arithmetic number, because the mean of its divisors is an integer number (631228).

Almost surely, 2^12701871 is an apocalyptic number.

12701871 is a deficient number, since it is larger than the sum of its proper divisors (10022337).

12701871 is a wasteful number, since it uses less digits than its factorization.

12701871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 12701871 is about 3563.9684342036. The cubic root of 12701871 is about 233.3221121588.

The spelling of 12701871 in words is "twelve million, seven hundred one thousand, eight hundred seventy-one".