1340206 has 16 divisors (see below), whose sum is σ = 2377440. Its totient is φ = 554400.

The previous prime is 1340179. The next prime is 1340221. The reversal of 1340206 is 6020431.

It is a self number, because there is not a number n which added to its sum of digits gives 1340206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245 + ... + 2056.

It is an arithmetic number, because the mean of its divisors is an integer number (148590).

2^1340206 is an apocalyptic number.

1340206 is a deficient number, since it is larger than the sum of its proper divisors (1037234).

1340206 is a wasteful number, since it uses less digits than its factorization.

1340206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1340206 is about 1157.6726653074. The cubic root of 1340206 is about 110.2530263480.

Adding to 1340206 its reverse (6020431), we get a palindrome (7360637).

The spelling of 1340206 in words is "one million, three hundred forty thousand, two hundred six".