12534556 has 6 divisors (see below), whose sum is σ = 21935480. Its totient is φ = 6267276.

The previous prime is 12534551. The next prime is 12534569. The reversal of 12534556 is 65543521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534551) by changing a digit.

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 as a sum of consecutive naturals, namely, 1566816 + ... + 1566823.

Almost surely, 2^12534556 is an apocalyptic number.

It is an amenable number.

12534556 is a deficient number, since it is larger than the sum of its proper divisors (9400924).

12534556 is a wasteful number, since it uses less digits than its factorization.

12534556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133643 (or 3133641 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 12534556 is about 3540.4174895060. The cubic root of 12534556 is about 232.2931045708.

The spelling of 12534556 in words is "twelve million, five hundred thirty-four thousand, five hundred fifty-six".