1296710897 has 8 divisors (see below), whose sum is σ = 1303837800. Its totient is φ = 1289597184.

The previous prime is 1296710867. The next prime is 1296710923. The reversal of 1296710897 is 7980176921.

It can be written as a sum of positive squares in 4 ways, for example, as 677248576 + 619462321 = 26024^2 + 24889^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1296710897 - 2¹⁰ = 1296709873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1296710867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242153 + ... + 247449.

It is an arithmetic number, because the mean of its divisors is an integer number (162979725).

Almost surely, 2^1296710897 is an apocalyptic number.

It is an amenable number.

1296710897 is a deficient number, since it is larger than the sum of its proper divisors (7126903).

1296710897 is a wasteful number, since it uses less digits than its factorization.

1296710897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595.

The product of its (nonzero) digits is 381024, while the sum is 50.

The square root of 1296710897 is about 36009.8722158244. The cubic root of 1296710897 is about 1090.4716688868.

The spelling of 1296710897 in words is "one billion, two hundred ninety-six million, seven hundred ten thousand, eight hundred ninety-seven".