1330540 has 24 divisors (see below), whose sum is σ = 2836512. Its totient is φ = 524160.

The previous prime is 1330529. The next prime is 1330541. The reversal of 1330540 is 450331.

It is not an unprimeable number, because it can be changed into a prime (1330541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952 + ... + 1888.

It is an arithmetic number, because the mean of its divisors is an integer number (118188).

2^1330540 is an apocalyptic number.

1330540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330540 is an abundant number, since it is smaller than the sum of its proper divisors (1505972).

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

1330540 is a wasteful number, since it uses less digits than its factorization.

1330540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 1330540 is about 1153.4903553996. The cubic root of 1330540 is about 109.9873263636.

Adding to 1330540 its reverse (450331), we get a palindrome (1780871).

The spelling of 1330540 in words is "one million, three hundred thirty thousand, five hundred forty".