1330040 has 32 divisors (see below), whose sum is σ = 3069360. Its totient is φ = 518400.

The previous prime is 1330031. The next prime is 1330061. The reversal of 1330040 is 400331.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235 + ... + 2045.

2^1330040 is an apocalyptic number.

1330040 is a gapful number since it is divisible by the number (10) 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 1330040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1534680).

1330040 is an abundant number, since it is smaller than the sum of its proper divisors (1739320).

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

1330040 is a wasteful number, since it uses less digits than its factorization.

1330040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 1330040 is about 1153.2736015361. The cubic root of 1330040 is about 109.9735473582.

Adding to 1330040 its reverse (400331), we get a palindrome (1730371).

The spelling of 1330040 in words is "one million, three hundred thirty thousand, forty".