1667713 has 4 divisors (see below), whose sum is σ = 1676548. Its totient is φ = 1658880.

The previous prime is 1667711. The next prime is 1667723. The reversal of 1667713 is 3177661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186624 + 1481089 = 432^2 + 1217^2 .

It is a cyclic number.

It is not a de Polignac number, because 1667713 - 2¹ = 1667711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1667711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4128 + ... + 4513.

It is an arithmetic number, because the mean of its divisors is an integer number (419137).

2^1667713 is an apocalyptic number.

It is an amenable number.

1667713 is a deficient number, since it is larger than the sum of its proper divisors (8835).

1667713 is an equidigital number, since it uses as much as digits as its factorization.

1667713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8834.

The product of its digits is 5292, while the sum is 31.

The square root of 1667713 is about 1291.3996283103. The cubic root of 1667713 is about 118.5879162662.

The spelling of 1667713 in words is "one million, six hundred sixty-seven thousand, seven hundred thirteen".