1366753 has 2 divisors, whose sum is σ = 1366754. Its totient is φ = 1366752.

The previous prime is 1366747. The next prime is 1366763. The reversal of 1366753 is 3576631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1292769 + 73984 = 1137^2 + 272^2 .

It is a cyclic number.

It is not a de Polignac number, because 1366753 - 2⁵ = 1366721 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1366763) 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, 683376 + 683377.

It is an arithmetic number, because the mean of its divisors is an integer number (683377).

2^1366753 is an apocalyptic number.

It is an amenable number.

1366753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366753 is an equidigital number, since it uses as much as digits as its factorization.

1366753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 31.

The square root of 1366753 is about 1169.0821185871. The cubic root of 1366753 is about 110.9762414318.

It can be divided in two parts, 136 and 6753, that added together give a square (6889 = 83²).

The spelling of 1366753 in words is "one million, three hundred sixty-six thousand, seven hundred fifty-three".