1377379 has 2 divisors, whose sum is σ = 1377380. Its totient is φ = 1377378.

The previous prime is 1377377. The next prime is 1377403. The reversal of 1377379 is 9737731.

It is a weak prime.

It is an emirp because it is prime and its reverse (9737731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1377379 - 2¹ = 1377377 is a prime.

Together with 1377377, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1377371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688689 + 688690.

It is an arithmetic number, because the mean of its divisors is an integer number (688690).

2^1377379 is an apocalyptic number.

1377379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377379 is an equidigital number, since it uses as much as digits as its factorization.

1377379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27783, while the sum is 37.

The square root of 1377379 is about 1173.6179105654. The cubic root of 1377379 is about 111.2630990762.

The spelling of 1377379 in words is "one million, three hundred seventy-seven thousand, three hundred seventy-nine".