1296314720 has 24 divisors (see below), whose sum is σ = 3062543904. Its totient is φ = 518525824.

The previous prime is 1296314717. The next prime is 1296314731. The reversal of 1296314720 is 274136921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4050824 + ... + 4051143.

It is an arithmetic number, because the mean of its divisors is an integer number (127605996).

Almost surely, 2^1296314720 is an apocalyptic number.

1296314720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1296314720 is an abundant number, since it is smaller than the sum of its proper divisors (1766229184).

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

1296314720 is an equidigital number, since it uses as much as digits as its factorization.

1296314720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8101982 (or 8101974 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1296314720 is about 36004.3708457737. The cubic root of 1296314720 is about 1090.3606022899.

The spelling of 1296314720 in words is "one billion, two hundred ninety-six million, three hundred fourteen thousand, seven hundred twenty".