12999585 has 8 divisors (see below), whose sum is σ = 20799360. Its totient is φ = 6933104.

The previous prime is 12999563. The next prime is 12999587. The reversal of 12999585 is 58599921.

It is a happy number.

12999585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12999585 - 2⁶ = 12999521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12999587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433305 + ... + 433334.

It is an arithmetic number, because the mean of its divisors is an integer number (2599920).

Almost surely, 2^12999585 is an apocalyptic number.

12999585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12999585 is a deficient number, since it is larger than the sum of its proper divisors (7799775).

12999585 is an equidigital number, since it uses as much as digits as its factorization.

12999585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866647.

The product of its digits is 291600, while the sum is 48.

The square root of 12999585 is about 3605.4937248593. The cubic root of 12999585 is about 235.1309666842.

The spelling of 12999585 in words is "twelve million, nine hundred ninety-nine thousand, five hundred eighty-five".