13644352 has 14 divisors (see below), whose sum is σ = 27075638. Its totient is φ = 6822144.

The previous prime is 13644347. The next prime is 13644361. The reversal of 13644352 is 25344631.

It can be written as a sum of positive squares in only one way, i.e., 11943936 + 1700416 = 3456^2 + 1304^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13644352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106533 + ... + 106660.

Almost surely, 2^13644352 is an apocalyptic number.

It is an amenable number.

13644352 is a deficient number, since it is larger than the sum of its proper divisors (13431286).

13644352 is an equidigital number, since it uses as much as digits as its factorization.

13644352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213205 (or 213195 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 13644352 is about 3693.8262005676. The cubic root of 13644352 is about 238.9558341152.

Adding to 13644352 its reverse (25344631), we get a palindrome (38988983).

The spelling of 13644352 in words is "thirteen million, six hundred forty-four thousand, three hundred fifty-two".