13944311 has 4 divisors (see below), whose sum is σ = 13976232. Its totient is φ = 13912392.

The previous prime is 13944299. The next prime is 13944323. The reversal of 13944311 is 11344931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11344931 = 13 ⋅872687.

It is an interprime number because it is at equal distance from previous prime (13944299) and next prime (13944323).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13944311 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13941311) 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, 15296 + ... + 16181.

It is an arithmetic number, because the mean of its divisors is an integer number (3494058).

Almost surely, 2^13944311 is an apocalyptic number.

13944311 is a deficient number, since it is larger than the sum of its proper divisors (31921).

13944311 is an equidigital number, since it uses as much as digits as its factorization.

13944311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31920.

The product of its digits is 1296, while the sum is 26.

The square root of 13944311 is about 3734.2082159408. The cubic root of 13944311 is about 240.6942341058.

It can be divided in two parts, 1 and 3944311, that added together give a cube (3944312 = 158³).

The spelling of 13944311 in words is "thirteen million, nine hundred forty-four thousand, three hundred eleven".