12870872 has 16 divisors (see below), whose sum is σ = 27580560. Its totient is φ = 5516064.

The previous prime is 12870863. The next prime is 12870877. The reversal of 12870872 is 27807821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12870877) 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, 114863 + ... + 114974.

It is an arithmetic number, because the mean of its divisors is an integer number (1723785).

Almost surely, 2^12870872 is an apocalyptic number.

It is an amenable number.

12870872 is an abundant number, since it is smaller than the sum of its proper divisors (14709688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12870872 is a wasteful number, since it uses less digits than its factorization.

12870872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229850 (or 229846 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 12870872 is about 3587.5997547107. The cubic root of 12870872 is about 234.3523559042.

The spelling of 12870872 in words is "twelve million, eight hundred seventy thousand, eight hundred seventy-two".