3138712 has 8 divisors (see below), whose sum is σ = 5885100. Its totient is φ = 1569352.

The previous prime is 3138691. The next prime is 3138767. The reversal of 3138712 is 2178313.

3138712 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196162 + ... + 196177.

Almost surely, 2^3138712 is an apocalyptic number.

It is an amenable number.

3138712 is a deficient number, since it is larger than the sum of its proper divisors (2746388).

3138712 is a wasteful number, since it uses less digits than its factorization.

3138712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392345 (or 392341 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 3138712 is about 1771.6410471650. The cubic root of 3138712 is about 146.4144102789.

It can be divided in two parts, 313 and 8712, that added together give a square (9025 = 95²).

The spelling of 3138712 in words is "three million, one hundred thirty-eight thousand, seven hundred twelve".