12548987 has 16 divisors (see below), whose sum is σ = 14582400. Its totient is φ = 10679040.

The previous prime is 12548983. The next prime is 12548999. The reversal of 12548987 is 78984521.

It is a cyclic number.

It is not a de Polignac number, because 12548987 - 2² = 12548983 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12548983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19964 + ... + 20582.

It is an arithmetic number, because the mean of its divisors is an integer number (911400).

Almost surely, 2^12548987 is an apocalyptic number.

12548987 is a deficient number, since it is larger than the sum of its proper divisors (2033413).

12548987 is a wasteful number, since it uses less digits than its factorization.

12548987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746.

The product of its digits is 161280, while the sum is 44.

The square root of 12548987 is about 3542.4549397275. The cubic root of 12548987 is about 232.3822165198.

The spelling of 12548987 in words is "twelve million, five hundred forty-eight thousand, nine hundred eighty-seven".