1373369 has 2 divisors, whose sum is σ = 1373370. Its totient is φ = 1373368.

The previous prime is 1373363. The next prime is 1373371. The reversal of 1373369 is 9633731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 714025 + 659344 = 845^2 + 812^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373369 - 2¹⁶ = 1307833 is a prime.

It is a super-2 number, since 2×1373369² = 3772284820322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1373371, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1373363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686684 + 686685.

It is an arithmetic number, because the mean of its divisors is an integer number (686685).

2^1373369 is an apocalyptic number.

It is an amenable number.

1373369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373369 is an equidigital number, since it uses as much as digits as its factorization.

1373369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 32.

The square root of 1373369 is about 1171.9082728610. The cubic root of 1373369 is about 111.1550197201.

The spelling of 1373369 in words is "one million, three hundred seventy-three thousand, three hundred sixty-nine".