1966212 has 18 divisors (see below), whose sum is σ = 4970238. Its totient is φ = 655392.

The previous prime is 1966207. The next prime is 1966219. The reversal of 1966212 is 2126691.

It can be written as a sum of positive squares in only one way, i.e., 1758276 + 207936 = 1326^2 + 456^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1966219) 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, 27273 + ... + 27344.

2^1966212 is an apocalyptic number.

1966212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1966212 is an abundant number, since it is smaller than the sum of its proper divisors (3004026).

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

1966212 is a wasteful number, since it uses less digits than its factorization.

1966212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54627 (or 54622 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1966212 is about 1402.2168163305. The cubic root of 1966212 is about 125.2785680708.

The spelling of 1966212 in words is "one million, nine hundred sixty-six thousand, two hundred twelve".