13944812 has 18 divisors (see below), whose sum is σ = 28388052. Its totient is φ = 5976264.

The previous prime is 13944809. The next prime is 13944839. The reversal of 13944812 is 21844931.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35378 + ... + 35769.

It is an arithmetic number, because the mean of its divisors is an integer number (1577114).

Almost surely, 2^13944812 is an apocalyptic number.

It is an amenable number.

13944812 is an abundant number, since it is smaller than the sum of its proper divisors (14443240).

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

13944812 is a wasteful number, since it uses less digits than its factorization.

13944812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71165 (or 71156 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 13944812 is about 3734.2752978322. The cubic root of 13944812 is about 240.6971166761.

The spelling of 13944812 in words is "thirteen million, nine hundred forty-four thousand, eight hundred twelve".