12985532 has 24 divisors (see below), whose sum is σ = 26330976. Its totient is φ = 5488128.

The previous prime is 12985523. The next prime is 12985549. The reversal of 12985532 is 23558921.

It is a junction number, because it is equal to n+sod(n) for n = 12985492 and 12985501.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1133 + ... + 5220.

It is an arithmetic number, because the mean of its divisors is an integer number (1097124).

Almost surely, 2^12985532 is an apocalyptic number.

It is an amenable number.

12985532 is an abundant number, since it is smaller than the sum of its proper divisors (13345444).

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

12985532 is a wasteful number, since it uses less digits than its factorization.

12985532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6437 (or 6435 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 12985532 is about 3603.5443663149. The cubic root of 12985532 is about 235.0462079047.

The spelling of 12985532 in words is "twelve million, nine hundred eighty-five thousand, five hundred thirty-two".