5128706 has 12 divisors (see below), whose sum is σ = 8456406. Its totient is φ = 2331120.

The previous prime is 5128691. The next prime is 5128723. The reversal of 5128706 is 6078215.

It can be written as a sum of positive squares in only one way, i.e., 5085025 + 43681 = 2255^2 + 209^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10355 + ... + 10838.

Almost surely, 2^5128706 is an apocalyptic number.

5128706 is a deficient number, since it is larger than the sum of its proper divisors (3327700).

5128706 is a wasteful number, since it uses less digits than its factorization.

5128706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21217 (or 21206 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 5128706 is about 2264.6646550869. The cubic root of 5128706 is about 172.4524100323.

The spelling of 5128706 in words is "five million, one hundred twenty-eight thousand, seven hundred six".