1218576 has 40 divisors (see below), whose sum is σ = 3214080. Its totient is φ = 397696.

The previous prime is 1218571. The next prime is 1218583. The reversal of 1218576 is 6758121.

It is not an unprimeable number, because it can be changed into a prime (1218571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2305 + ... + 2783.

It is an arithmetic number, because the mean of its divisors is an integer number (80352).

2^1218576 is an apocalyptic number.

1218576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1218576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607040).

1218576 is an abundant number, since it is smaller than the sum of its proper divisors (1995504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1218576 is a wasteful number, since it uses less digits than its factorization.

1218576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 537 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 1218576 is about 1103.8912989964. The cubic root of 1218576 is about 106.8113834322.

The spelling of 1218576 in words is "one million, two hundred eighteen thousand, five hundred seventy-six".