10128712 has 16 divisors (see below), whose sum is σ = 20718000. Its totient is φ = 4603920.

The previous prime is 10128709. The next prime is 10128721. The reversal of 10128712 is 21782101.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 57462 + ... + 57637.

It is an arithmetic number, because the mean of its divisors is an integer number (1294875).

Almost surely, 2^10128712 is an apocalyptic number.

It is an amenable number.

10128712 is an abundant number, since it is smaller than the sum of its proper divisors (10589288).

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

10128712 is a wasteful number, since it uses less digits than its factorization.

10128712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115116 (or 115112 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 10128712 is about 3182.5637464158. The cubic root of 10128712 is about 216.3638699969.

The spelling of 10128712 in words is "ten million, one hundred twenty-eight thousand, seven hundred twelve".