1330829 has 4 divisors (see below), whose sum is σ = 1341120. Its totient is φ = 1320540.

The previous prime is 1330789. The next prime is 1330831. The reversal of 1330829 is 9280331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9280331 = 277 ⋅33503.

It is a cyclic number.

It is not a de Polignac number, because 1330829 - 2²⁰ = 282253 is a prime.

It is a super-2 number, since 2×1330829² = 3542211654482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330798 and 1330807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330859) 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, 4949 + ... + 5210.

It is an arithmetic number, because the mean of its divisors is an integer number (335280).

2^1330829 is an apocalyptic number.

It is an amenable number.

1330829 is a deficient number, since it is larger than the sum of its proper divisors (10291).

1330829 is a wasteful number, since it uses less digits than its factorization.

1330829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10290.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1330829 is about 1153.6156205600. The cubic root of 1330829 is about 109.9952890544.

The spelling of 1330829 in words is "one million, three hundred thirty thousand, eight hundred twenty-nine".