3281212 has 12 divisors (see below), whose sum is σ = 6264216. Its totient is φ = 1491440.

The previous prime is 3281209. The next prime is 3281233. The reversal of 3281212 is 2121823.

3281212 is a modest number, since divided by 1212 gives 328 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 3281212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37243 + ... + 37330.

It is an arithmetic number, because the mean of its divisors is an integer number (522018).

Almost surely, 2^3281212 is an apocalyptic number.

It is an amenable number.

3281212 is a deficient number, since it is larger than the sum of its proper divisors (2983004).

3281212 is a wasteful number, since it uses less digits than its factorization.

3281212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74588 (or 74586 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 3281212 is about 1811.4116042468. The cubic root of 3281212 is about 148.5974751812.

It can be divided in two parts, 328 and 1212, that added together give a triangular number (1540 = T₅₅).

The spelling of 3281212 in words is "three million, two hundred eighty-one thousand, two hundred twelve".