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12004401 = 34001467
BaseRepresentation
bin101101110010…
…110000110001
3211120212221110
4231302300301
511033120101
61105143533
7204015153
oct55626061
924525843
1012004401
11685a0a2
12402aba9
132643cc6
141846ad3
1510c1cd6
hexb72c31

12004401 has 4 divisors (see below), whose sum is σ = 16005872. Its totient is φ = 8002932.

The previous prime is 12004387. The next prime is 12004403. The reversal of 12004401 is 10440021.

12004401 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10440021 = 33480007.

It is not a de Polignac number, because 12004401 - 213 = 11996209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12004403) 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, 2000731 + ... + 2000736.

It is an arithmetic number, because the mean of its divisors is an integer number (4001468).

Almost surely, 212004401 is an apocalyptic number.

It is an amenable number.

12004401 is a deficient number, since it is larger than the sum of its proper divisors (4001471).

12004401 is an equidigital number, since it uses as much as digits as its factorization.

12004401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001470.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 12004401 is about 3464.7367865395. The cubic root of 12004401 is about 228.9708333530.

Adding to 12004401 its reverse (10440021), we get a palindrome (22444422).

The spelling of 12004401 in words is "twelve million, four thousand, four hundred one".

Divisors: 1 3 4001467 12004401