13230444 has 12 divisors (see below), whose sum is σ = 30871064. Its totient is φ = 4410144.

The previous prime is 13230419. The next prime is 13230457. The reversal of 13230444 is 44403231.

13230444 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13230444.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551257 + ... + 551280.

Almost surely, 2^13230444 is an apocalyptic number.

It is an amenable number.

13230444 is an abundant number, since it is smaller than the sum of its proper divisors (17640620).

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

13230444 is a wasteful number, since it uses less digits than its factorization.

13230444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102544 (or 1102542 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 13230444 is about 3637.3677295539. The cubic root of 13230444 is about 236.5147006522.

Adding to 13230444 its reverse (44403231), we get a palindrome (57633675).

The spelling of 13230444 in words is "thirteen million, two hundred thirty thousand, four hundred forty-four".