12455516 has 12 divisors (see below), whose sum is σ = 21830088. Its totient is φ = 6218352.

The previous prime is 12455503. The next prime is 12455533. The reversal of 12455516 is 61555421.

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, 1235 + ... + 5141.

It is an arithmetic number, because the mean of its divisors is an integer number (1819174).

Almost surely, 2^12455516 is an apocalyptic number.

It is an amenable number.

12455516 is a deficient number, since it is larger than the sum of its proper divisors (9374572).

12455516 is a wasteful number, since it uses less digits than its factorization.

12455516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708 (or 4706 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 12455516 is about 3529.2373113748. The cubic root of 12455516 is about 231.8038125424.

The spelling of 12455516 in words is "twelve million, four hundred fifty-five thousand, five hundred sixteen".