3139012 has 6 divisors (see below), whose sum is σ = 5493278. Its totient is φ = 1569504.

The previous prime is 3139007. The next prime is 3139021. The reversal of 3139012 is 2109313.

It can be written as a sum of positive squares in only one way, i.e., 3013696 + 125316 = 1736^2 + 354^2 .

It is a super-2 number, since 2×3139012² = 19706792672288, which contains 22 as substring.

It is an Ulam 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 as a sum of consecutive naturals, namely, 392373 + ... + 392380.

Almost surely, 2^3139012 is an apocalyptic number.

It is an amenable number.

3139012 is a deficient number, since it is larger than the sum of its proper divisors (2354266).

3139012 is a wasteful number, since it uses less digits than its factorization.

3139012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784757 (or 784755 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 3139012 is about 1771.7257124058. The cubic root of 3139012 is about 146.4190749231.

The spelling of 3139012 in words is "three million, one hundred thirty-nine thousand, twelve".