12049985 has 4 divisors (see below), whose sum is σ = 14459988. Its totient is φ = 9639984.

The previous prime is 12049967. The next prime is 12049997. The reversal of 12049985 is 58994021.

12049985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58994021 = 37 ⋅1594433.

It can be written as a sum of positive squares in 2 ways, for example, as 8708401 + 3341584 = 2951^2 + 1828^2 .

It is a cyclic number.

It is not a de Polignac number, because 12049985 - 2¹² = 12045889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204994 + ... + 1205003.

It is an arithmetic number, because the mean of its divisors is an integer number (3614997).

Almost surely, 2^12049985 is an apocalyptic number.

It is an amenable number.

12049985 is a deficient number, since it is larger than the sum of its proper divisors (2410003).

12049985 is an equidigital number, since it uses as much as digits as its factorization.

12049985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410002.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 12049985 is about 3471.3088309743. The cubic root of 12049985 is about 229.2602889462.

It can be divided in two parts, 120 and 49985, that added together give a palindrome (50105).

The spelling of 12049985 in words is "twelve million, forty-nine thousand, nine hundred eighty-five".