1206856 has 32 divisors (see below), whose sum is σ = 2701440. Its totient is φ = 494208.

The previous prime is 1206841. The next prime is 1206869. The reversal of 1206856 is 6586021.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820 + ... + 1756.

It is an arithmetic number, because the mean of its divisors is an integer number (84420).

2^1206856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1206856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350720).

1206856 is an abundant number, since it is smaller than the sum of its proper divisors (1494584).

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

1206856 is a wasteful number, since it uses less digits than its factorization.

1206856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1206856 is about 1098.5699795643. The cubic root of 1206856 is about 106.4678501412.

The spelling of 1206856 in words is "one million, two hundred six thousand, eight hundred fifty-six".