1712945 has 24 divisors (see below), whose sum is σ = 2368296. Its totient is φ = 1181952.

The previous prime is 1712933. The next prime is 1712951. The reversal of 1712945 is 5492171.

It can be written as a sum of positive squares in 4 ways, for example, as 43681 + 1669264 = 209^2 + 1292^2 .

It is not a de Polignac number, because 1712945 - 2⁴ = 1712929 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23429 + ... + 23501.

It is an arithmetic number, because the mean of its divisors is an integer number (98679).

2^1712945 is an apocalyptic number.

It is an amenable number.

1712945 is a deficient number, since it is larger than the sum of its proper divisors (655351).

1712945 is a wasteful number, since it uses less digits than its factorization.

1712945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 110 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 1712945 is about 1308.7952475464. The cubic root of 1712945 is about 119.6504876271.

The spelling of 1712945 in words is "one million, seven hundred twelve thousand, nine hundred forty-five".