1296917 has 4 divisors (see below), whose sum is σ = 1302336. Its totient is φ = 1291500.

The previous prime is 1296907. The next prime is 1296929. The reversal of 1296917 is 7196921.

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: 7196921 = 577 ⋅12473.

It is a cyclic number.

It is not a de Polignac number, because 1296917 - 2¹⁶ = 1231381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296907) 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, 2333 + ... + 2834.

It is an arithmetic number, because the mean of its divisors is an integer number (325584).

2^1296917 is an apocalyptic number.

It is an amenable number.

1296917 is a deficient number, since it is larger than the sum of its proper divisors (5419).

1296917 is an equidigital number, since it uses as much as digits as its factorization.

1296917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5418.

The product of its digits is 6804, while the sum is 35.

The square root of 1296917 is about 1138.8226376394. The cubic root of 1296917 is about 109.0529440072.

The spelling of 1296917 in words is "one million, two hundred ninety-six thousand, nine hundred seventeen".