1297339 has 4 divisors (see below), whose sum is σ = 1365640. Its totient is φ = 1229040.

The previous prime is 1297337. The next prime is 1297349. The reversal of 1297339 is 9337921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9337921 = 109 ⋅85669.

It is a cyclic number.

It is not a de Polignac number, because 1297339 - 2¹ = 1297337 is a prime.

It is a Duffinian number.

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, 34122 + ... + 34159.

It is an arithmetic number, because the mean of its divisors is an integer number (341410).

2^1297339 is an apocalyptic number.

1297339 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1297339 is a deficient number, since it is larger than the sum of its proper divisors (68301).

1297339 is an equidigital number, since it uses as much as digits as its factorization.

1297339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68300.

The product of its digits is 10206, while the sum is 34.

The square root of 1297339 is about 1139.0079016407. The cubic root of 1297339 is about 109.0647708632.

The spelling of 1297339 in words is "one million, two hundred ninety-seven thousand, three hundred thirty-nine".