12085512 has 16 divisors (see below), whose sum is σ = 30213840. Its totient is φ = 4028496.

The previous prime is 12085471. The next prime is 12085517. The reversal of 12085512 is 21558021.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 503563 = 12085512 / (1 + 2 + 0 + 8 + 5 + 5 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (12085517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251758 + ... + 251805.

It is an arithmetic number, because the mean of its divisors is an integer number (1888365).

Almost surely, 2^12085512 is an apocalyptic number.

12085512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12085512 is an abundant number, since it is smaller than the sum of its proper divisors (18128328).

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

12085512 is a wasteful number, since it uses less digits than its factorization.

12085512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503572 (or 503568 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 12085512 is about 3476.4222988584. The cubic root of 12085512 is about 229.4853774366.

The spelling of 12085512 in words is "twelve million, eighty-five thousand, five hundred twelve".