2170012 has 24 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 966336.

The previous prime is 2169997. The next prime is 2170039. The reversal of 2170012 is 2100712.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2169974 and 2170001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789 + ... + 2227.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

2^2170012 is an apocalyptic number.

It is an amenable number.

2170012 is a deficient number, since it is larger than the sum of its proper divisors (2063588).

2170012 is a wasteful number, since it uses less digits than its factorization.

2170012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1483 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 2170012 is about 1473.0960593254. The cubic root of 2170012 is about 129.4654976832.

Adding to 2170012 its reverse (2100712), we get a palindrome (4270724).

It can be divided in two parts, 21700 and 12, that added together give a palindrome (21712).

The spelling of 2170012 in words is "two million, one hundred seventy thousand, twelve".