3147212 has 6 divisors (see below), whose sum is σ = 5507628. Its totient is φ = 1573604.

The previous prime is 3147211. The next prime is 3147223. The reversal of 3147212 is 2127413.

It is not an unprimeable number, because it can be changed into a prime (3147211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393398 + ... + 393405.

It is an arithmetic number, because the mean of its divisors is an integer number (917938).

Almost surely, 2^3147212 is an apocalyptic number.

It is an amenable number.

3147212 is a deficient number, since it is larger than the sum of its proper divisors (2360416).

3147212 is a wasteful number, since it uses less digits than its factorization.

3147212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786807 (or 786805 counting only the distinct ones).

The product of its digits is 336, while the sum is 20.

The square root of 3147212 is about 1774.0383310402. The cubic root of 3147212 is about 146.5464602766.

The spelling of 3147212 in words is "three million, one hundred forty-seven thousand, two hundred twelve".