1706212 has 6 divisors (see below), whose sum is σ = 2985878. Its totient is φ = 853104.

The previous prime is 1706191. The next prime is 1706213. The reversal of 1706212 is 2126071.

It can be written as a sum of positive squares in only one way, i.e., 1705636 + 576 = 1306^2 + 24^2 .

It is a super-2 number, since 2×1706212² = 5822318777888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1706212.

It is not an unprimeable number, because it can be changed into a prime (1706213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213273 + ... + 213280.

2^1706212 is an apocalyptic number.

It is an amenable number.

1706212 is a deficient number, since it is larger than the sum of its proper divisors (1279666).

1706212 is a wasteful number, since it uses less digits than its factorization.

1706212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426557 (or 426555 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1706212 is about 1306.2205020593. The cubic root of 1706212 is about 119.4935134169.

The spelling of 1706212 in words is "one million, seven hundred six thousand, two hundred twelve".