1327447 has 4 divisors (see below), whose sum is σ = 1448136. Its totient is φ = 1206760.

The previous prime is 1327427. The next prime is 1327481. The reversal of 1327447 is 7447231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7447231 = 11 ⋅677021.

It is a cyclic number.

It is not a de Polignac number, because 1327447 - 2¹¹ = 1325399 is a prime.

It is a Duffinian number.

1327447 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327427) 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, 60328 + ... + 60349.

It is an arithmetic number, because the mean of its divisors is an integer number (362034).

2^1327447 is an apocalyptic number.

1327447 is a deficient number, since it is larger than the sum of its proper divisors (120689).

1327447 is a wasteful number, since it uses less digits than its factorization.

1327447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120688.

The product of its digits is 4704, while the sum is 28.

The square root of 1327447 is about 1152.1488619098. The cubic root of 1327447 is about 109.9020339895.

The spelling of 1327447 in words is "one million, three hundred twenty-seven thousand, four hundred forty-seven".