12004249 has 4 divisors (see below), whose sum is σ = 12026980. Its totient is φ = 11981520.

The previous prime is 12004217. The next prime is 12004271. The reversal of 12004249 is 94240021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94240021 = 907 ⋅103903.

It can be written as a sum of positive squares in 2 ways, for example, as 6411024 + 5593225 = 2532^2 + 2365^2 .

It is a cyclic number.

It is not a de Polignac number, because 12004249 - 2⁵ = 12004217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12004049) 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, 10554 + ... + 11635.

It is an arithmetic number, because the mean of its divisors is an integer number (3006745).

Almost surely, 2^12004249 is an apocalyptic number.

It is an amenable number.

12004249 is a deficient number, since it is larger than the sum of its proper divisors (22731).

12004249 is an equidigital number, since it uses as much as digits as its factorization.

12004249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22730.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12004249 is about 3464.7148511818. The cubic root of 12004249 is about 228.9698669376.

The spelling of 12004249 in words is "twelve million, four thousand, two hundred forty-nine".