12535688 has 32 divisors (see below), whose sum is σ = 25824960. Its totient is φ = 5657280.

The previous prime is 12535673. The next prime is 12535697. The reversal of 12535688 is 88653521.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 14270 + ... + 15122.

It is an arithmetic number, because the mean of its divisors is an integer number (807030).

Almost surely, 2^12535688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12535688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12912480).

12535688 is an abundant number, since it is smaller than the sum of its proper divisors (13289272).

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

12535688 is a wasteful number, since it uses less digits than its factorization.

12535688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1033 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 12535688 is about 3540.5773540483. The cubic root of 12535688 is about 232.3000971833.

The spelling of 12535688 in words is "twelve million, five hundred thirty-five thousand, six hundred eighty-eight".