1296576064 has 63 divisors (see below), whose sum is σ = 2997619227. Its totient is φ = 554811264.

The previous prime is 1296576059. The next prime is 1296576067. The reversal of 1296576064 is 4606756921.

The square root of 1296576064 is 36008.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1296576064² = 3362218979475464192, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1296576067) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 2016127 + ... + 2016769.

Almost surely, 2^1296576064 is an apocalyptic number.

1296576064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1296576064 is the 36008-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1296576064

1296576064 is an abundant number, since it is smaller than the sum of its proper divisors (1701043163).

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

1296576064 is an frugal number, since it uses more digits than its factorization.

1296576064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The cubic root of 1296576064 is about 1090.4338715481.

The spelling of 1296576064 in words is "one billion, two hundred ninety-six million, five hundred seventy-six thousand, sixty-four".