1218328 has 16 divisors (see below), whose sum is σ = 2319480. Its totient is φ = 599808.
The previous prime is 1218313. The next prime is 1218367. The reversal of 1218328 is 8238121.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601 + ... + 1672.
21218328 is an apocalyptic number.
It is an amenable number.
1218328 is a deficient number, since it is larger than the sum of its proper divisors (1101152).
1218328 is a wasteful number, since it uses less digits than its factorization.
1218328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2346 (or 2342 counting only the distinct ones).
The product of its digits is 768, while the sum is 25.
The square root of 1218328 is about 1103.7789633799. The cubic root of 1218328 is about 106.8041369904.
The spelling of 1218328 in words is "one million, two hundred eighteen thousand, three hundred twenty-eight".
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