12587152 has 10 divisors (see below), whose sum is σ = 24387638. Its totient is φ = 6293568.

The previous prime is 12587143. The next prime is 12587153. The reversal of 12587152 is 25178521.

It can be written as a sum of positive squares in only one way, i.e., 12278016 + 309136 = 3504^2 + 556^2 .

It is a super-2 number, since 2×12587152² = 316872790942208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12587153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393333 + ... + 393364.

Almost surely, 2^12587152 is an apocalyptic number.

It is an amenable number.

12587152 is a deficient number, since it is larger than the sum of its proper divisors (11800486).

12587152 is an equidigital number, since it uses as much as digits as its factorization.

12587152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786705 (or 786699 counting only the distinct ones).

The product of its digits is 5600, while the sum is 31.

The square root of 12587152 is about 3547.8376513026. The cubic root of 12587152 is about 232.6175580006.

The spelling of 12587152 in words is "twelve million, five hundred eighty-seven thousand, one hundred fifty-two".