1381327 has 2 divisors, whose sum is σ = 1381328. Its totient is φ = 1381326.

The previous prime is 1381313. The next prime is 1381337. The reversal of 1381327 is 7231831.

It is a strong prime.

It is an emirp because it is prime and its reverse (7231831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1381327 - 2¹⁹ = 857039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1381307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690663 + 690664.

It is an arithmetic number, because the mean of its divisors is an integer number (690664).

2^1381327 is an apocalyptic number.

1381327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381327 is an equidigital number, since it uses as much as digits as its factorization.

1381327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 1381327 is about 1175.2986854413. The cubic root of 1381327 is about 111.3693026435.

The spelling of 1381327 in words is "one million, three hundred eighty-one thousand, three hundred twenty-seven".