1206684 has 24 divisors (see below), whose sum is σ = 3128720. Its totient is φ = 402192.

The previous prime is 1206683. The next prime is 1206691. The reversal of 1206684 is 4866021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206683) 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, 5479 + ... + 5694.

2^1206684 is an apocalyptic number.

It is an amenable number.

1206684 is an abundant number, since it is smaller than the sum of its proper divisors (1922036).

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

1206684 is a wasteful number, since it uses less digits than its factorization.

1206684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11186 (or 11178 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1206684 is about 1098.4916931866. The cubic root of 1206684 is about 106.4627920011.

The spelling of 1206684 in words is "one million, two hundred six thousand, six hundred eighty-four".