1297330 has 8 divisors (see below), whose sum is σ = 2335212. Its totient is φ = 518928.

The previous prime is 1297313. The next prime is 1297333. The reversal of 1297330 is 337921.

It can be written as a sum of positive squares in 2 ways, for example, as 1297321 + 9 = 1139^2 + 3^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1297295 and 1297304.

It is not an unprimeable number, because it can be changed into a prime (1297333) 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, 64857 + ... + 64876.

2^1297330 is an apocalyptic number.

1297330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1297330 is a deficient number, since it is larger than the sum of its proper divisors (1037882).

1297330 is a wasteful number, since it uses less digits than its factorization.

1297330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129740.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 1297330 is about 1139.0039508272. The cubic root of 1297330 is about 109.0645186584.

The spelling of 1297330 in words is "one million, two hundred ninety-seven thousand, three hundred thirty".