1206647 has 8 divisors (see below), whose sum is σ = 1313760. Its totient is φ = 1101600.

The previous prime is 1206637. The next prime is 1206679. The reversal of 1206647 is 7466021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1206647 - 2⁸ = 1206391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206637) 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, 854 + ... + 1772.

It is an arithmetic number, because the mean of its divisors is an integer number (164220).

2^1206647 is an apocalyptic number.

1206647 is a deficient number, since it is larger than the sum of its proper divisors (107113).

1206647 is a wasteful number, since it uses less digits than its factorization.

1206647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1206647 is about 1098.4748517831. The cubic root of 1206647 is about 106.4617038500.

The spelling of 1206647 in words is "one million, two hundred six thousand, six hundred forty-seven".