12269444 has 48 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 5122560.

The previous prime is 12269443. The next prime is 12269471. The reversal of 12269444 is 44496221.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12269444.

It is not an unprimeable number, because it can be changed into a prime (12269441) 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 15 ways as a sum of consecutive naturals, for example, 34982 + ... + 35330.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^12269444 is an apocalyptic number.

It is an amenable number.

12269444 is an abundant number, since it is smaller than the sum of its proper divisors (13132156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12269444 is a wasteful number, since it uses less digits than its factorization.

12269444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 426 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 12269444 is about 3502.7766129172. The cubic root of 12269444 is about 230.6437165549.

The spelling of 12269444 in words is "twelve million, two hundred sixty-nine thousand, four hundred forty-four".