1216683 has 12 divisors (see below), whose sum is σ = 1892800. Its totient is φ = 748656.

The previous prime is 1216681. The next prime is 1216693. The reversal of 1216683 is 3866121.

It is not a de Polignac number, because 1216683 - 2¹ = 1216681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1216681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5083 + ... + 5316.

2^1216683 is an apocalyptic number.

1216683 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1216683 is a deficient number, since it is larger than the sum of its proper divisors (676117).

1216683 is a wasteful number, since it uses less digits than its factorization.

1216683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10418 (or 10415 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1216683 is about 1103.0335443675. The cubic root of 1216683 is about 106.7560459621.

The spelling of 1216683 in words is "one million, two hundred sixteen thousand, six hundred eighty-three".