1327247 has 4 divisors (see below), whose sum is σ = 1331400. Its totient is φ = 1323096.

The previous prime is 1327237. The next prime is 1327267. The reversal of 1327247 is 7427231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7427231 = 7 ⋅1061033.

It is a cyclic number.

It is not a de Polignac number, because 1327247 - 2⁴ = 1327231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327217) 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, 1553 + ... + 2250.

It is an arithmetic number, because the mean of its divisors is an integer number (332850).

2^1327247 is an apocalyptic number.

1327247 is a deficient number, since it is larger than the sum of its proper divisors (4153).

1327247 is an equidigital number, since it uses as much as digits as its factorization.

1327247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152.

The product of its digits is 2352, while the sum is 26.

The square root of 1327247 is about 1152.0620643004. The cubic root of 1327247 is about 109.8965142435.

The spelling of 1327247 in words is "one million, three hundred twenty-seven thousand, two hundred forty-seven".