12535572 has 36 divisors (see below), whose sum is σ = 34026720. Its totient is φ = 3581424.

The previous prime is 12535559. The next prime is 12535577. The reversal of 12535572 is 27553521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12535577) 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 in 11 ways as a sum of consecutive naturals, for example, 10072 + ... + 11247.

Almost surely, 2^12535572 is an apocalyptic number.

12535572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12535572 is an abundant number, since it is smaller than the sum of its proper divisors (21491148).

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

12535572 is a wasteful number, since it uses less digits than its factorization.

12535572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21340 (or 21331 counting only the distinct ones).

The product of its digits is 10500, while the sum is 30.

The square root of 12535572 is about 3540.5609725014. The cubic root of 12535572 is about 232.2993806452.

The spelling of 12535572 in words is "twelve million, five hundred thirty-five thousand, five hundred seventy-two".