1296890676 has 60 divisors (see below), whose sum is σ = 3568783680. Its totient is φ = 409542480.

The previous prime is 1296890669. The next prime is 1296890681. The reversal of 1296890676 is 6760986921.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 99180 + ... + 111491.

It is an arithmetic number, because the mean of its divisors is an integer number (59479728).

Almost surely, 2^1296890676 is an apocalyptic number.

It is an amenable number.

1296890676 is an abundant number, since it is smaller than the sum of its proper divisors (2271893004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1296890676 is a wasteful number, since it uses less digits than its factorization.

1296890676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210706 (or 210695 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 1296890676 is about 36012.3683753235. The cubic root of 1296890676 is about 1090.5220617300.

The spelling of 1296890676 in words is "one billion, two hundred ninety-six million, eight hundred ninety thousand, six hundred seventy-six".