12046401 has 10 divisors (see below), whose sum is σ = 17995362. Its totient is φ = 8030880.

The previous prime is 12046379. The next prime is 12046403. The reversal of 12046401 is 10464021.

12046401 is a `hidden beast` number, since 1 + 20 + 4 + 640 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7535025 + 4511376 = 2745^2 + 2124^2 .

It is not a de Polignac number, because 12046401 - 2⁵ = 12046369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12046403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 74280 + ... + 74441.

Almost surely, 2^12046401 is an apocalyptic number.

It is an amenable number.

12046401 is a deficient number, since it is larger than the sum of its proper divisors (5948961).

12046401 is an equidigital number, since it uses as much as digits as its factorization.

12046401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148733 (or 148724 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 12046401 is about 3470.7925607849. The cubic root of 12046401 is about 229.2375572346.

It can be divided in two parts, 1 and 2046401, that added together give a palindrome (2046402).

The spelling of 12046401 in words is "twelve million, forty-six thousand, four hundred one".