1373371 has 2 divisors, whose sum is σ = 1373372. Its totient is φ = 1373370.

The previous prime is 1373369. The next prime is 1373381. The reversal of 1373371 is 1733731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1373371 - 2¹ = 1373369 is a prime.

It is a super-2 number, since 2×1373371² = 3772295807282, which contains 22 as substring.

Together with 1373369, it forms a pair of twin primes.

1373371 is a lucky number.

It is a plaindrome in base 7.

It is not a weakly prime, because it can be changed into another prime (1373321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686685 + 686686.

It is an arithmetic number, because the mean of its divisors is an integer number (686686).

2^1373371 is an apocalyptic number.

1373371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373371 is an equidigital number, since it uses as much as digits as its factorization.

1373371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1323, while the sum is 25.

The square root of 1373371 is about 1171.9091261698. The cubic root of 1373371 is about 111.1550736774.

The spelling of 1373371 in words is "one million, three hundred seventy-three thousand, three hundred seventy-one".