12481564 has 12 divisors (see below), whose sum is σ = 22169224. Its totient is φ = 6147504.

The previous prime is 12481559. The next prime is 12481619. The reversal of 12481564 is 46518421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23019 + ... + 23554.

Almost surely, 2^12481564 is an apocalyptic number.

It is an amenable number.

12481564 is a deficient number, since it is larger than the sum of its proper divisors (9687660).

12481564 is a wasteful number, since it uses less digits than its factorization.

12481564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46644 (or 46642 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 12481564 is about 3532.9256997565. The cubic root of 12481564 is about 231.9652890995.

Adding to 12481564 its reverse (46518421), we get a palindrome (58999985).

The spelling of 12481564 in words is "twelve million, four hundred eighty-one thousand, five hundred sixty-four".