1216652 has 6 divisors (see below), whose sum is σ = 2129148. Its totient is φ = 608324.

The previous prime is 1216619. The next prime is 1216681. The reversal of 1216652 is 2566121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152078 + ... + 152085.

It is an arithmetic number, because the mean of its divisors is an integer number (354858).

2^1216652 is an apocalyptic number.

It is an amenable number.

1216652 is a deficient number, since it is larger than the sum of its proper divisors (912496).

1216652 is a wasteful number, since it uses less digits than its factorization.

1216652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304167 (or 304165 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 1216652 is about 1103.0194921215. The cubic root of 1216652 is about 106.7551392714.

The spelling of 1216652 in words is "one million, two hundred sixteen thousand, six hundred fifty-two".