12870726 has 32 divisors (see below), whose sum is σ = 28256256. Its totient is φ = 3876000.

The previous prime is 12870721. The next prime is 12870749. The reversal of 12870726 is 62707821.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12870721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12096 + ... + 13116.

It is an arithmetic number, because the mean of its divisors is an integer number (883008).

Almost surely, 2^12870726 is an apocalyptic number.

12870726 is an abundant number, since it is smaller than the sum of its proper divisors (15385530).

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

12870726 is a wasteful number, since it uses less digits than its factorization.

12870726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 12870726 is about 3587.5794067867. The cubic root of 12870726 is about 234.3514697800.

The spelling of 12870726 in words is "twelve million, eight hundred seventy thousand, seven hundred twenty-six".