1327187 has 4 divisors (see below), whose sum is σ = 1332936. Its totient is φ = 1321440.

The previous prime is 1327181. The next prime is 1327199. The reversal of 1327187 is 7817231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7817231 = 127 ⋅61553.

It is a cyclic number.

It is not a de Polignac number, because 1327187 - 2²⁰ = 278611 is a prime.

It is a super-2 number, since 2×1327187² = 3522850665938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1327181) 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 in 3 ways as a sum of consecutive naturals, for example, 2513 + ... + 2994.

It is an arithmetic number, because the mean of its divisors is an integer number (333234).

2^1327187 is an apocalyptic number.

1327187 is a deficient number, since it is larger than the sum of its proper divisors (5749).

1327187 is an equidigital number, since it uses as much as digits as its factorization.

1327187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748.

The product of its digits is 2352, while the sum is 29.

The square root of 1327187 is about 1152.0360237423. The cubic root of 1327187 is about 109.8948582116.

The spelling of 1327187 in words is "one million, three hundred twenty-seven thousand, one hundred eighty-seven".