13944728212 has 12 divisors (see below), whose sum is σ = 24407641440. Its totient is φ = 6971116376.

The previous prime is 13944728201. The next prime is 13944728219. The reversal of 13944728212 is 21282744931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13944728219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286558 + ... + 331669.

It is an arithmetic number, because the mean of its divisors is an integer number (2033970120).

Almost surely, 2^13944728212 is an apocalyptic number.

It is an amenable number.

13944728212 is a deficient number, since it is larger than the sum of its proper divisors (10462913228).

13944728212 is a wasteful number, since it uses less digits than its factorization.

13944728212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623870 (or 623868 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The spelling of 13944728212 in words is "thirteen billion, nine hundred forty-four million, seven hundred twenty-eight thousand, two hundred twelve".