12245544 has 48 divisors (see below), whose sum is σ = 33801300. Its totient is φ = 4003584.

The previous prime is 12245539. The next prime is 12245549. The reversal of 12245544 is 44554221.

12245544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12245539) and next prime (12245549).

It can be written as a sum of positive squares in 2 ways, for example, as 11985444 + 260100 = 3462^2 + 510^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12245549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2212 + ... + 5420.

Almost surely, 2^12245544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12245544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16900650).

12245544 is an abundant number, since it is smaller than the sum of its proper divisors (21555756).

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

12245544 is a wasteful number, since it uses less digits than its factorization.

12245544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274 (or 3267 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 12245544 is about 3499.3633706719. The cubic root of 12245544 is about 230.4938600510.

Adding to 12245544 its reverse (44554221), we get a palindrome (56799765).

The spelling of 12245544 in words is "twelve million, two hundred forty-five thousand, five hundred forty-four".