1377349 has 2 divisors, whose sum is σ = 1377350. Its totient is φ = 1377348.

The previous prime is 1377347. The next prime is 1377353. The reversal of 1377349 is 9437731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1117249 + 260100 = 1057^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377349 - 2¹ = 1377347 is a prime.

Together with 1377347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688674 + 688675.

It is an arithmetic number, because the mean of its divisors is an integer number (688675).

2^1377349 is an apocalyptic number.

It is an amenable number.

1377349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377349 is an equidigital number, since it uses as much as digits as its factorization.

1377349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 34.

The square root of 1377349 is about 1173.6051295048. The cubic root of 1377349 is about 111.2622912818.

The spelling of 1377349 in words is "one million, three hundred seventy-seven thousand, three hundred forty-nine".