1276026313 has 16 divisors (see below), whose sum is σ = 1327233600. Its totient is φ = 1225880320.

The previous prime is 1276026299. The next prime is 1276026373. The reversal of 1276026313 is 3136206721.

It is not a de Polignac number, because 1276026313 - 2⁵ = 1276026281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1276026373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935978 + ... + 1936636.

It is an arithmetic number, because the mean of its divisors is an integer number (82952100).

Almost surely, 2^1276026313 is an apocalyptic number.

It is an amenable number.

1276026313 is a deficient number, since it is larger than the sum of its proper divisors (51207287).

1276026313 is an equidigital number, since it uses as much as digits as its factorization.

1276026313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1276026313 is about 35721.5105083758. The cubic root of 1276026313 is about 1084.6423146538.

The spelling of 1276026313 in words is "one billion, two hundred seventy-six million, twenty-six thousand, three hundred thirteen".