12008849 has 4 divisors (see below), whose sum is σ = 12115236. Its totient is φ = 11902464.

The previous prime is 12008827. The next prime is 12008861. The reversal of 12008849 is 94880021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71824 + 11937025 = 268^2 + 3455^2 .

It is a cyclic number.

It is not a de Polignac number, because 12008849 - 2¹⁶ = 11943313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12008809) 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, 53024 + ... + 53249.

It is an arithmetic number, because the mean of its divisors is an integer number (3028809).

Almost surely, 2^12008849 is an apocalyptic number.

It is an amenable number.

12008849 is a deficient number, since it is larger than the sum of its proper divisors (106387).

12008849 is a wasteful number, since it uses less digits than its factorization.

12008849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106386.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 12008849 is about 3465.3786228925. The cubic root of 12008849 is about 228.9991101076. Note that the first 3 decimals are identical.

The spelling of 12008849 in words is "twelve million, eight thousand, eight hundred forty-nine".