1330266 has 32 divisors (see below), whose sum is σ = 3202560. Its totient is φ = 359856.

The previous prime is 1330253. The next prime is 1330309. The reversal of 1330266 is 6620331.

1330266 = T₆₁₃ + T₆₁₄ + ... + T₆₁₉.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (100080).

2^1330266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1601280).

1330266 is an abundant number, since it is smaller than the sum of its proper divisors (1872294).

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

1330266 is a wasteful number, since it uses less digits than its factorization.

1330266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1330266 is about 1153.3715793273. The cubic root of 1330266 is about 109.9797758962.

Adding to 1330266 its reverse (6620331), we get a palindrome (7950597).

It can be divided in two parts, 1330 and 266, that added together give a triangular number (1596 = T₅₆).

The spelling of 1330266 in words is "one million, three hundred thirty thousand, two hundred sixty-six".