1218327 has 8 divisors (see below), whose sum is σ = 1772160. Its totient is φ = 738360.

The previous prime is 1218313. The next prime is 1218367. The reversal of 1218327 is 7238121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1218327 - 2⁶ = 1218263 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1218297 and 1218306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1218307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18427 + ... + 18492.

It is an arithmetic number, because the mean of its divisors is an integer number (221520).

2^1218327 is an apocalyptic number.

1218327 is a deficient number, since it is larger than the sum of its proper divisors (553833).

1218327 is a wasteful number, since it uses less digits than its factorization.

1218327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36933.

The product of its digits is 672, while the sum is 24.

The square root of 1218327 is about 1103.7785103906. The cubic root of 1218327 is about 106.8041077689.

It can be divided in two parts, 121 and 8327, that added together give a palindrome (8448).

The spelling of 1218327 in words is "one million, two hundred eighteen thousand, three hundred twenty-seven".