12535818 has 8 divisors (see below), whose sum is σ = 25071648. Its totient is φ = 4178604.

The previous prime is 12535807. The next prime is 12535823. The reversal of 12535818 is 81853521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12535818 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044646 + ... + 1044657.

It is an arithmetic number, because the mean of its divisors is an integer number (3133956).

Almost surely, 2^12535818 is an apocalyptic number.

12535818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12535818 is a wasteful number, since it uses less digits than its factorization.

12535818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089308.

The product of its digits is 9600, while the sum is 33.

The square root of 12535818 is about 3540.5957125885. The cubic root of 12535818 is about 232.3009001949.

The spelling of 12535818 in words is "twelve million, five hundred thirty-five thousand, eight hundred eighteen".