12270744 has 32 divisors (see below), whose sum is σ = 34086000. Its totient is φ = 4090176.

The previous prime is 12270743. The next prime is 12270749. The reversal of 12270744 is 44707221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12270743) 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 7 ways as a sum of consecutive naturals, for example, 28189 + ... + 28620.

Almost surely, 2^12270744 is an apocalyptic number.

It is an amenable number.

12270744 is an abundant number, since it is smaller than the sum of its proper divisors (21815256).

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

12270744 is a wasteful number, since it uses less digits than its factorization.

12270744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56824 (or 56814 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 12270744 is about 3502.9621750741. The cubic root of 12270744 is about 230.6518621629.

Adding to 12270744 its reverse (44707221), we get a palindrome (56977965).

The spelling of 12270744 in words is "twelve million, two hundred seventy thousand, seven hundred forty-four".