12576276736 has 81 divisors (see below), whose sum is σ = 25859445759. Its totient is φ = 6104222208.

The previous prime is 12576276733. The next prime is 12576276841. The reversal of 12576276736 is 63767267521.

The square root of 12576276736 is 112144.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12576276733) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 77154991 + ... + 77155153.

Almost surely, 2^12576276736 is an apocalyptic number.

12576276736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12576276736 is the 112144-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12576276736

12576276736 is an abundant number, since it is smaller than the sum of its proper divisors (13283169023).

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

12576276736 is an frugal number, since it uses more digits than its factorization.

12576276736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 208 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 52.

The spelling of 12576276736 in words is "twelve billion, five hundred seventy-six million, two hundred seventy-six thousand, seven hundred thirty-six".