12881576 has 16 divisors (see below), whose sum is σ = 24197940. Its totient is φ = 6428800.

The previous prime is 12881551. The next prime is 12881579. The reversal of 12881576 is 67518821.

It can be written as a sum of positive squares in 2 ways, for example, as 12432676 + 448900 = 3526^2 + 670^2 .

It is not an unprimeable number, because it can be changed into a prime (12881579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4460 + ... + 6756.

Almost surely, 2^12881576 is an apocalyptic number.

It is an amenable number.

12881576 is a deficient number, since it is larger than the sum of its proper divisors (11316364).

12881576 is a wasteful number, since it uses less digits than its factorization.

12881576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004 (or 3000 counting only the distinct ones).

The product of its digits is 26880, while the sum is 38.

The square root of 12881576 is about 3589.0912498849. The cubic root of 12881576 is about 234.4173039135.

The spelling of 12881576 in words is "twelve million, eight hundred eighty-one thousand, five hundred seventy-six".