1330629 has 4 divisors (see below), whose sum is σ = 1774176. Its totient is φ = 887084.

The previous prime is 1330621. The next prime is 1330633. The reversal of 1330629 is 9260331.

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.

It is a cyclic number.

It is not a de Polignac number, because 1330629 - 2³ = 1330621 is a prime.

It is a D-number.

1330629 is a lucky number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1330599 and 1330608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330621) 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, 221769 + ... + 221774.

It is an arithmetic number, because the mean of its divisors is an integer number (443544).

2^1330629 is an apocalyptic number.

It is an amenable number.

1330629 is a deficient number, since it is larger than the sum of its proper divisors (443547).

1330629 is an equidigital number, since it uses as much as digits as its factorization.

1330629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443546.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 1330629 is about 1153.5289333172. The cubic root of 1330629 is about 109.9897786646.

The spelling of 1330629 in words is "one million, three hundred thirty thousand, six hundred twenty-nine".