1380013 has 2 divisors, whose sum is σ = 1380014. Its totient is φ = 1380012.

The previous prime is 1380007. The next prime is 1380031. The reversal of 1380013 is 3100831.

Together with next prime (1380031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 842724 + 537289 = 918^2 + 733^2 .

It is a cyclic number.

It is not a de Polignac number, because 1380013 - 2⁵ = 1379981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380053) 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, 690006 + 690007.

It is an arithmetic number, because the mean of its divisors is an integer number (690007).

2^1380013 is an apocalyptic number.

It is an amenable number.

1380013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380013 is an equidigital number, since it uses as much as digits as its factorization.

1380013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1380013 is about 1174.7395456015. The cubic root of 1380013 is about 111.3339777493. Note that the first 3 decimals are identical.

Adding to 1380013 its reverse (3100831), we get a palindrome (4480844).

The spelling of 1380013 in words is "one million, three hundred eighty thousand, thirteen".