13446444252 has 12 divisors (see below), whose sum is σ = 31375036616. Its totient is φ = 4482148080.

The previous prime is 13446444223. The next prime is 13446444257. The reversal of 13446444252 is 25244464431.

13446444252 is digitally balanced in base 2, because in such base 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 13446444252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13446444257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560268499 + ... + 560268522.

Almost surely, 2^13446444252 is an apocalyptic number.

13446444252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13446444252 is an abundant number, since it is smaller than the sum of its proper divisors (17928592364).

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

13446444252 is a wasteful number, since it uses less digits than its factorization.

13446444252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120537028 (or 1120537026 counting only the distinct ones).

The product of its digits is 368640, while the sum is 39.

The spelling of 13446444252 in words is "thirteen billion, four hundred forty-six million, four hundred forty-four thousand, two hundred fifty-two".