3128912 has 20 divisors (see below), whose sum is σ = 6103776. Its totient is φ = 1553760.

The previous prime is 3128893. The next prime is 3128921. The reversal of 3128912 is 2198213.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2087 + ... + 3257.

Almost surely, 2^3128912 is an apocalyptic number.

It is an amenable number.

3128912 is a deficient number, since it is larger than the sum of its proper divisors (2974864).

3128912 is a wasteful number, since it uses less digits than its factorization.

3128912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 1340 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 3128912 is about 1768.8730875899. The cubic root of 3128912 is about 146.2618681775.

The spelling of 3128912 in words is "three million, one hundred twenty-eight thousand, nine hundred twelve".