12004207 has 4 divisors (see below), whose sum is σ = 12148920. Its totient is φ = 11859496.

The previous prime is 12004177. The next prime is 12004211. The reversal of 12004207 is 70240021.

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

It is a cyclic number.

It is not a de Polignac number, because 12004207 - 2¹⁵ = 11971439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004217) 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, 72232 + ... + 72397.

It is an arithmetic number, because the mean of its divisors is an integer number (3037230).

Almost surely, 2^12004207 is an apocalyptic number.

12004207 is a deficient number, since it is larger than the sum of its proper divisors (144713).

12004207 is an equidigital number, since it uses as much as digits as its factorization.

12004207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144712.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 12004207 is about 3464.7087900717. The cubic root of 12004207 is about 228.9695999004.

Adding to 12004207 its reverse (70240021), we get a palindrome (82244228).

The spelling of 12004207 in words is "twelve million, four thousand, two hundred seven".