12752281476 has 243 divisors, whose sum is σ = 37328205733. Its totient is φ = 3667836480.

The previous prime is 12752281463. The next prime is 12752281481. The reversal of 12752281476 is 67418225721.

The square root of 12752281476 is 112926.

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

12752281476 is a `hidden beast` number, since 1 + 2 + 7 + 522 + 81 + 47 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6686987076 + 6065294400 = 81774^2 + 77880^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 216140335 + ... + 216140393.

Almost surely, 2^12752281476 is an apocalyptic number.

12752281476 is the 112926-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12752281476

12752281476 is an abundant number, since it is smaller than the sum of its proper divisors (24575924257).

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

12752281476 is a wasteful number, since it uses less digits than its factorization.

12752281476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 104 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The spelling of 12752281476 in words is "twelve billion, seven hundred fifty-two million, two hundred eighty-one thousand, four hundred seventy-six".