12535542 has 24 divisors (see below), whose sum is σ = 27405144. Its totient is φ = 4140864.

The previous prime is 12535531. The next prime is 12535559. The reversal of 12535542 is 24553521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1048 + ... + 5115.

It is an arithmetic number, because the mean of its divisors is an integer number (1141881).

Almost surely, 2^12535542 is an apocalyptic number.

12535542 is an abundant number, since it is smaller than the sum of its proper divisors (14869602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12535542 is a wasteful number, since it uses less digits than its factorization.

12535542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6284 (or 6281 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 12535542 is about 3540.5567358821. The cubic root of 12535542 is about 232.2991953329.

The spelling of 12535542 in words is "twelve million, five hundred thirty-five thousand, five hundred forty-two".