3139912 has 8 divisors (see below), whose sum is σ = 5887350. Its totient is φ = 1569952.

The previous prime is 3139909. The next prime is 3139919. The reversal of 3139912 is 2199313.

3139912 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2540836 + 599076 = 1594^2 + 774^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3139919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196237 + ... + 196252.

Almost surely, 2^3139912 is an apocalyptic number.

It is an amenable number.

3139912 is a deficient number, since it is larger than the sum of its proper divisors (2747438).

3139912 is a wasteful number, since it uses less digits than its factorization.

3139912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392495 (or 392491 counting only the distinct ones).

The product of its digits is 1458, while the sum is 28.

The square root of 3139912 is about 1771.9796838564. The cubic root of 3139912 is about 146.4330670725.

The spelling of 3139912 in words is "three million, one hundred thirty-nine thousand, nine hundred twelve".