12081585 has 16 divisors (see below), whose sum is σ = 19742976. Its totient is φ = 6306048.

The previous prime is 12081583. The next prime is 12081613. The reversal of 12081585 is 58518021.

12081585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12081585 - 2¹ = 12081583 is a prime.

It is a super-2 number, since 2×12081585² = 291929392224450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12081583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7864 + ... + 9273.

It is an arithmetic number, because the mean of its divisors is an integer number (1233936).

Almost surely, 2^12081585 is an apocalyptic number.

12081585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12081585 is a deficient number, since it is larger than the sum of its proper divisors (7661391).

12081585 is a wasteful number, since it uses less digits than its factorization.

12081585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17192.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 12081585 is about 3475.8574481702. The cubic root of 12081585 is about 229.4605188372.

The spelling of 12081585 in words is "twelve million, eighty-one thousand, five hundred eighty-five".