1216484 has 12 divisors (see below), whose sum is σ = 2142000. Its totient is φ = 604488.

The previous prime is 1216459. The next prime is 1216489. The reversal of 1216484 is 4846121.

It is not an unprimeable number, because it can be changed into a prime (1216489) 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 3 ways as a sum of consecutive naturals, for example, 134 + ... + 1565.

It is an arithmetic number, because the mean of its divisors is an integer number (178500).

2^1216484 is an apocalyptic number.

It is an amenable number.

1216484 is a deficient number, since it is larger than the sum of its proper divisors (925516).

1216484 is a wasteful number, since it uses less digits than its factorization.

1216484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882 (or 1880 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 1216484 is about 1102.9433348998. The cubic root of 1216484 is about 106.7502253248.

The spelling of 1216484 in words is "one million, two hundred sixteen thousand, four hundred eighty-four".