1326006 has 48 divisors (see below), whose sum is σ = 3236688. Its totient is φ = 388800.

The previous prime is 1326001. The next prime is 1326037. The reversal of 1326006 is 6006231.

It is a happy number.

1326006 is a nontrivial binomial coefficient, being equal to C(1629, 2).

It is a super-3 number, since 3×1326006³ = 6994516875333624648, which contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1326006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7236 + ... + 7416.

It is an arithmetic number, because the mean of its divisors is an integer number (67431).

2^1326006 is an apocalyptic number.

1326006 is the 1628-th triangular number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1618344).

1326006 is an abundant number, since it is smaller than the sum of its proper divisors (1910682).

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

1326006 is a wasteful number, since it uses less digits than its factorization.

1326006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1326006 is about 1151.5233388864. The cubic root of 1326006 is about 109.8622518184.

The spelling of 1326006 in words is "one million, three hundred twenty-six thousand, six".