12505552 has 20 divisors (see below), whose sum is σ = 24408160. Its totient is φ = 6206688.

The previous prime is 12505543. The next prime is 12505579. The reversal of 12505552 is 25550521.

It is a happy number.

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, 588 + ... + 5035.

It is an arithmetic number, because the mean of its divisors is an integer number (1220408).

Almost surely, 2^12505552 is an apocalyptic number.

It is an amenable number.

12505552 is a deficient number, since it is larger than the sum of its proper divisors (11902608).

12505552 is a wasteful number, since it uses less digits than its factorization.

12505552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5770 (or 5764 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 12505552 is about 3536.3189901365. The cubic root of 12505552 is about 232.1137967297.

The spelling of 12505552 in words is "twelve million, five hundred five thousand, five hundred fifty-two".