12871010 has 8 divisors (see below), whose sum is σ = 23167836. Its totient is φ = 5148400.

The previous prime is 12871009. The next prime is 12871021. The reversal of 12871010 is 1017821.

It can be written as a sum of positive squares in 2 ways, for example, as 12187081 + 683929 = 3491^2 + 827^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643541 + ... + 643560.

Almost surely, 2^12871010 is an apocalyptic number.

12871010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12871010 is a deficient number, since it is larger than the sum of its proper divisors (10296826).

12871010 is a wasteful number, since it uses less digits than its factorization.

12871010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287108.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 12871010 is about 3587.6189875738. The cubic root of 12871010 is about 234.3531934675.

Adding to 12871010 its reverse (1017821), we get a palindrome (13888831).

The spelling of 12871010 in words is "twelve million, eight hundred seventy-one thousand, ten".