1373717 has 2 divisors, whose sum is σ = 1373718. Its totient is φ = 1373716.

The previous prime is 1373689. The next prime is 1373761. The reversal of 1373717 is 7173731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1359556 + 14161 = 1166^2 + 119^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373717 - 2¹⁴ = 1357333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1373717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686858 + 686859.

It is an arithmetic number, because the mean of its divisors is an integer number (686859).

2^1373717 is an apocalyptic number.

It is an amenable number.

1373717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373717 is an equidigital number, since it uses as much as digits as its factorization.

1373717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3087, while the sum is 29.

The square root of 1373717 is about 1172.0567392409. The cubic root of 1373717 is about 111.1644075054.

The spelling of 1373717 in words is "one million, three hundred seventy-three thousand, seven hundred seventeen".