1697213 has 12 divisors (see below), whose sum is σ = 2079360. Its totient is φ = 1377432.

The previous prime is 1697197. The next prime is 1697231. The reversal of 1697213 is 3127961.

It is not a de Polignac number, because 1697213 - 2⁴ = 1697197 is a prime.

It is a d-powerful number, because it can be written as 1 + 6⁸ + 9³ + 7⁵ + 2⁵ + 1 + 3³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1697243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20 + ... + 1842.

It is an arithmetic number, because the mean of its divisors is an integer number (173280).

2^1697213 is an apocalyptic number.

It is an amenable number.

1697213 is a deficient number, since it is larger than the sum of its proper divisors (382147).

1697213 is a wasteful number, since it uses less digits than its factorization.

1697213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856 (or 1849 counting only the distinct ones).

The product of its digits is 2268, while the sum is 29.

The square root of 1697213 is about 1302.7712769324. The cubic root of 1697213 is about 119.2830631730.

The spelling of 1697213 in words is "one million, six hundred ninety-seven thousand, two hundred thirteen".