12544452 has 18 divisors (see below), whose sum is σ = 31709678. Its totient is φ = 4181472.

The previous prime is 12544451. The next prime is 12544481. The reversal of 12544452 is 25444521.

It can be written as a sum of positive squares in only one way, i.e., 7096896 + 5447556 = 2664^2 + 2334^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12544451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174193 + ... + 174264.

Almost surely, 2^12544452 is an apocalyptic number.

12544452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12544452 is an abundant number, since it is smaller than the sum of its proper divisors (19165226).

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

12544452 is a wasteful number, since it uses less digits than its factorization.

12544452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348467 (or 348462 counting only the distinct ones).

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

The square root of 12544452 is about 3541.8147890594. The cubic root of 12544452 is about 232.3542200947.

Adding to 12544452 its reverse (25444521), we get a palindrome (37988973).

It can be divided in two parts, 12544 and 452, that added together give a square (12996 = 114²).

The spelling of 12544452 in words is "twelve million, five hundred forty-four thousand, four hundred fifty-two".