3219012 has 18 divisors (see below), whose sum is σ = 8137038. Its totient is φ = 1072992.

The previous prime is 3218993. The next prime is 3219019. The reversal of 3219012 is 2109123.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3218436 + 576 = 1794^2 + 24^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×3219012² = 20724076512288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3219019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44673 + ... + 44744.

Almost surely, 2^3219012 is an apocalyptic number.

It is an amenable number.

3219012 is an abundant number, since it is smaller than the sum of its proper divisors (4918026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3219012 is a wasteful number, since it uses less digits than its factorization.

3219012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89427 (or 89422 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 3219012 is about 1794.1605279350. The cubic root of 3219012 is about 147.6525205827.

It can be divided in two parts, 32 and 19012, that added together give a square (19044 = 138²).

The spelling of 3219012 in words is "three million, two hundred nineteen thousand, twelve".