1378327 has 4 divisors (see below), whose sum is σ = 1380736. Its totient is φ = 1375920.

The previous prime is 1378319. The next prime is 1378337. The reversal of 1378327 is 7238731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7238731 = 827 ⋅8753.

It is a cyclic number.

It is not a de Polignac number, because 1378327 - 2³ = 1378319 is a prime.

It is a Duffinian number.

1378327 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202 + ... + 1672.

It is an arithmetic number, because the mean of its divisors is an integer number (345184).

2^1378327 is an apocalyptic number.

1378327 is a deficient number, since it is larger than the sum of its proper divisors (2409).

1378327 is an equidigital number, since it uses as much as digits as its factorization.

1378327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408.

The product of its digits is 7056, while the sum is 31.

The square root of 1378327 is about 1174.0217204124. The cubic root of 1378327 is about 111.2886193405.

It can be divided in two parts, 137 and 8327, that added together give a square (8464 = 92²).

The spelling of 1378327 in words is "one million, three hundred seventy-eight thousand, three hundred twenty-seven".