1337389 has 2 divisors, whose sum is σ = 1337390. Its totient is φ = 1337388.

The previous prime is 1337383. The next prime is 1337411. The reversal of 1337389 is 9837331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1334025 + 3364 = 1155^2 + 58^2 .

It is a cyclic number.

It is not a de Polignac number, because 1337389 - 2⁷ = 1337261 is a prime.

1337389 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1337383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668694 + 668695.

It is an arithmetic number, because the mean of its divisors is an integer number (668695).

2^1337389 is an apocalyptic number.

It is an amenable number.

1337389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1337389 is an equidigital number, since it uses as much as digits as its factorization.

1337389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 1337389 is about 1156.4553601415. The cubic root of 1337389 is about 110.1757246406.

The spelling of 1337389 in words is "one million, three hundred thirty-seven thousand, three hundred eighty-nine".