1392773 has 2 divisors, whose sum is σ = 1392774. Its totient is φ = 1392772.

The previous prime is 1392763. The next prime is 1392779. The reversal of 1392773 is 3772931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 954529 + 438244 = 977^2 + 662^2 .

It is a cyclic number.

It is not a de Polignac number, because 1392773 - 2¹⁶ = 1327237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1392779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696386 + 696387.

It is an arithmetic number, because the mean of its divisors is an integer number (696387).

2^1392773 is an apocalyptic number.

It is an amenable number.

1392773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1392773 is an equidigital number, since it uses as much as digits as its factorization.

1392773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 32.

The square root of 1392773 is about 1180.1580402641. The cubic root of 1392773 is about 111.6760676227.

The spelling of 1392773 in words is "one million, three hundred ninety-two thousand, seven hundred seventy-three".