1206650 has 12 divisors (see below), whose sum is σ = 2244462. Its totient is φ = 482640.

The previous prime is 1206637. The next prime is 1206679. The reversal of 1206650 is 566021.

It can be written as a sum of positive squares in 3 ways, for example, as 866761 + 339889 = 931^2 + 583^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 12017 + ... + 12116.

2^1206650 is an apocalyptic number.

1206650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1206650 is a deficient number, since it is larger than the sum of its proper divisors (1037812).

1206650 is a wasteful number, since it uses less digits than its factorization.

1206650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24145 (or 24140 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1206650 is about 1098.4762173120. The cubic root of 1206650 is about 106.4617920793.

The spelling of 1206650 in words is "one million, two hundred six thousand, six hundred fifty".