1330456 has 16 divisors (see below), whose sum is σ = 2626200. Its totient is φ = 630144.

The previous prime is 1330453. The next prime is 1330487. The reversal of 1330456 is 6540331.

It is a super-2 number, since 2×1330456² = 3540226335872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4225 + ... + 4528.

2^1330456 is an apocalyptic number.

It is an amenable number.

1330456 is a deficient number, since it is larger than the sum of its proper divisors (1295744).

1330456 is a wasteful number, since it uses less digits than its factorization.

1330456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8778 (or 8774 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1330456 is about 1153.4539435972. The cubic root of 1330456 is about 109.9850117319.

Adding to 1330456 its reverse (6540331), we get a palindrome (7870787).

The spelling of 1330456 in words is "one million, three hundred thirty thousand, four hundred fifty-six".