1218914 has 8 divisors (see below), whose sum is σ = 1840080. Its totient is φ = 605556.

The previous prime is 1218913. The next prime is 1218923. The reversal of 1218914 is 4198121.

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

It is not an unprimeable number, because it can be changed into a prime (1218911) 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, 1544 + ... + 2195.

It is an arithmetic number, because the mean of its divisors is an integer number (230010).

2^1218914 is an apocalyptic number.

1218914 is a deficient number, since it is larger than the sum of its proper divisors (621166).

1218914 is a wasteful number, since it uses less digits than its factorization.

1218914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904.

The product of its digits is 576, while the sum is 26.

The square root of 1218914 is about 1104.0443831658. The cubic root of 1218914 is about 106.8212580482.

The spelling of 1218914 in words is "one million, two hundred eighteen thousand, nine hundred fourteen".