12887044 has 6 divisors (see below), whose sum is σ = 22552334. Its totient is φ = 6443520.

The previous prime is 12887029. The next prime is 12887047. The reversal of 12887044 is 44078821.

It can be written as a sum of positive squares in only one way, i.e., 12673600 + 213444 = 3560^2 + 462^2 .

It is not an unprimeable number, because it can be changed into a prime (12887047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610877 + ... + 1610884.

Almost surely, 2^12887044 is an apocalyptic number.

It is an amenable number.

12887044 is a deficient number, since it is larger than the sum of its proper divisors (9665290).

12887044 is a wasteful number, since it uses less digits than its factorization.

12887044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221765 (or 3221763 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 12887044 is about 3589.8529217783. The cubic root of 12887044 is about 234.4504678807.

The spelling of 12887044 in words is "twelve million, eight hundred eighty-seven thousand, forty-four".