13944799 has 4 divisors (see below), whose sum is σ = 15212520. Its totient is φ = 12677080.

The previous prime is 13944793. The next prime is 13944809. The reversal of 13944799 is 99744931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13944799 - 2¹³ = 13936607 is a prime.

It is a super-3 number, since 3×13944799³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13944793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633844 + ... + 633865.

It is an arithmetic number, because the mean of its divisors is an integer number (3803130).

Almost surely, 2^13944799 is an apocalyptic number.

13944799 is a deficient number, since it is larger than the sum of its proper divisors (1267721).

13944799 is a wasteful number, since it uses less digits than its factorization.

13944799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267720.

The product of its digits is 244944, while the sum is 46.

The square root of 13944799 is about 3734.2735571996. The cubic root of 13944799 is about 240.6970418797.

The spelling of 13944799 in words is "thirteen million, nine hundred forty-four thousand, seven hundred ninety-nine".