12987848 has 16 divisors (see below), whose sum is σ = 24391500. Its totient is φ = 6483456.

The previous prime is 12987841. The next prime is 12987869. The reversal of 12987848 is 84878921.

It can be written as a sum of positive squares in 2 ways, for example, as 12376324 + 611524 = 3518^2 + 782^2 .

It is a super-2 number, since 2×12987848² = 337368391342208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12987841) 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 3 ways as a sum of consecutive naturals, for example, 7268 + ... + 8876.

Almost surely, 2^12987848 is an apocalyptic number.

It is an amenable number.

12987848 is a deficient number, since it is larger than the sum of its proper divisors (11403652).

12987848 is a wasteful number, since it uses less digits than its factorization.

12987848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624 (or 2620 counting only the distinct ones).

The product of its digits is 258048, while the sum is 47.

The square root of 12987848 is about 3603.8657022703. The cubic root of 12987848 is about 235.0601807543.

The spelling of 12987848 in words is "twelve million, nine hundred eighty-seven thousand, eight hundred forty-eight".