1218908 has 12 divisors (see below), whose sum is σ = 2226000. Its totient is φ = 582912.

The previous prime is 1218901. The next prime is 1218911. The reversal of 1218908 is 8098121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1218901) 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, 6533 + ... + 6716.

It is an arithmetic number, because the mean of its divisors is an integer number (185500).

2^1218908 is an apocalyptic number.

It is an amenable number.

1218908 is a deficient number, since it is larger than the sum of its proper divisors (1007092).

1218908 is a wasteful number, since it uses less digits than its factorization.

1218908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13276 (or 13274 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1218908 is about 1104.0416658804. The cubic root of 1218908 is about 106.8210827751.

The spelling of 1218908 in words is "one million, two hundred eighteen thousand, nine hundred eight".