12352644 has 36 divisors (see below), whose sum is σ = 31990140. Its totient is φ = 4016640.

The previous prime is 12352631. The next prime is 12352649. The reversal of 12352644 is 44625321.

12352644 is a `hidden beast` number, since 12 + 3 + 5 + 2 + 644 = 666.

12352644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4161600 + 8191044 = 2040^2 + 2862^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (12352649) 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, 2709 + ... + 5660.

It is an arithmetic number, because the mean of its divisors is an integer number (888615).

Almost surely, 2^12352644 is an apocalyptic number.

It is an amenable number.

12352644 is an abundant number, since it is smaller than the sum of its proper divisors (19637496).

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

12352644 is a wasteful number, since it uses less digits than its factorization.

12352644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8420 (or 8415 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 12352644 is about 3514.6328399991. The cubic root of 12352644 is about 231.1638798871.

Adding to 12352644 its reverse (44625321), we get a palindrome (56977965).

It can be divided in two parts, 12352 and 644, that added together give a square (12996 = 114²).

The spelling of 12352644 in words is "twelve million, three hundred fifty-two thousand, six hundred forty-four".