1330236 has 48 divisors (see below), whose sum is σ = 3511200. Its totient is φ = 435456.

The previous prime is 1330229. The next prime is 1330237. The reversal of 1330236 is 6320331.

1330236 = 86² + 87² + ... + 166².

It is a happy number.

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

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11716 + ... + 11828.

It is an arithmetic number, because the mean of its divisors is an integer number (73150).

2^1330236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1755600).

1330236 is an abundant number, since it is smaller than the sum of its proper divisors (2180964).

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

1330236 is a wasteful number, since it uses less digits than its factorization.

1330236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1330236 is about 1153.3585739049. The cubic root of 1330236 is about 109.9789491398.

Adding to 1330236 its reverse (6320331), we get a palindrome (7650567).

The spelling of 1330236 in words is "one million, three hundred thirty thousand, two hundred thirty-six".