1338653 has 2 divisors, whose sum is σ = 1338654. Its totient is φ = 1338652.

The previous prime is 1338647. The next prime is 1338661. The reversal of 1338653 is 3568331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1338649 + 4 = 1157^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 1338653 - 2⁴ = 1338637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1328653) 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, 669326 + 669327.

It is an arithmetic number, because the mean of its divisors is an integer number (669327).

2^1338653 is an apocalyptic number.

It is an amenable number.

1338653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338653 is an equidigital number, since it uses as much as digits as its factorization.

1338653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 1338653 is about 1157.0017286072. The cubic root of 1338653 is about 110.2104236613.

It can be divided in two parts, 1338 and 653, that added together give a palindrome (1991).

The spelling of 1338653 in words is "one million, three hundred thirty-eight thousand, six hundred fifty-three".