1206612 has 54 divisors (see below), whose sum is σ = 3364634. Its totient is φ = 364320.

The previous prime is 1206587. The next prime is 1206619. The reversal of 1206612 is 2166021.

It is a happy number.

1206612 is a `hidden beast` number, since 1 + 2 + 0 + 661 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 853776 + 352836 = 924^2 + 594^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206619) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4218 + ... + 4494.

2^1206612 is an apocalyptic number.

1206612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1206612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1682317).

1206612 is an abundant number, since it is smaller than the sum of its proper divisors (2158022).

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

1206612 is a wasteful number, since it uses less digits than its factorization.

1206612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1206612 is about 1098.4589204882. The cubic root of 1206612 is about 106.4606744974.

The spelling of 1206612 in words is "one million, two hundred six thousand, six hundred twelve".