1296760957 has 4 divisors (see below), whose sum is σ = 1299756220. Its totient is φ = 1293765696.

The previous prime is 1296760943. The next prime is 1296760981. The reversal of 1296760957 is 7590676921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7590676921 = 397 ⋅19120093.

It can be written as a sum of positive squares in 2 ways, for example, as 45441081 + 1251319876 = 6741^2 + 35374^2 .

It is a cyclic number.

It is not a de Polignac number, because 1296760957 - 2¹¹ = 1296758909 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 (1296760987) 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, 1496982 + ... + 1497847.

It is an arithmetic number, because the mean of its divisors is an integer number (324939055).

Almost surely, 2^1296760957 is an apocalyptic number.

It is an amenable number.

1296760957 is a deficient number, since it is larger than the sum of its proper divisors (2995263).

1296760957 is an equidigital number, since it uses as much as digits as its factorization.

1296760957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995262.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 1296760957 is about 36010.5672962812. The cubic root of 1296760957 is about 1090.4857013925.

The spelling of 1296760957 in words is "one billion, two hundred ninety-six million, seven hundred sixty thousand, nine hundred fifty-seven".