12402244 has 12 divisors (see below), whose sum is σ = 22647744. Its totient is φ = 5931464.

The previous prime is 12402241. The next prime is 12402251. The reversal of 12402244 is 44220421.

It is not an unprimeable number, because it can be changed into a prime (12402241) 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, 67312 + ... + 67495.

It is an arithmetic number, because the mean of its divisors is an integer number (1887312).

Almost surely, 2^12402244 is an apocalyptic number.

It is an amenable number.

12402244 is a deficient number, since it is larger than the sum of its proper divisors (10245500).

12402244 is a wasteful number, since it uses less digits than its factorization.

12402244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134834 (or 134832 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 12402244 is about 3521.6819845068. The cubic root of 12402244 is about 231.4728668089.

Adding to 12402244 its reverse (44220421), we get a palindrome (56622665).

The spelling of 12402244 in words is "twelve million, four hundred two thousand, two hundred forty-four".