12401033 has 4 divisors (see below), whose sum is σ = 12611280. Its totient is φ = 12190788.

The previous prime is 12401027. The next prime is 12401047. The reversal of 12401033 is 33010421.

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: 33010421 = 491 ⋅67231.

It is a cyclic number.

It is not a de Polignac number, because 12401033 - 2¹⁰ = 12400009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12400999 and 12401017.

It is not an unprimeable number, because it can be changed into a prime (12401063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105035 + ... + 105152.

It is an arithmetic number, because the mean of its divisors is an integer number (3152820).

Almost surely, 2^12401033 is an apocalyptic number.

It is an amenable number.

12401033 is a deficient number, since it is larger than the sum of its proper divisors (210247).

12401033 is an equidigital number, since it uses as much as digits as its factorization.

12401033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210246.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12401033 is about 3521.5100454209. The cubic root of 12401033 is about 231.4653326142.

Adding to 12401033 its reverse (33010421), we get a palindrome (45411454).

The spelling of 12401033 in words is "twelve million, four hundred one thousand, thirty-three".